explain 5 7/15 + 21 8/15
⚠ 5 7/15 is read as the mixed number 5 + 7/15
⚠ 21 8/15 is read as the mixed number 21 + 8/15
Let's evaluate: 5 + 715 + 21 + 815
ⓘStart from 5 and move forward 21 on the number line: 5 + 21 = 26‖To add fractions, put them over the same denominator, then add the numerators: 715 + 815 = 7 + 815
26 + 7 + 815
ⓘThe numerator and the denominator are computed before the division: 7 + 8 = 15
26 + 1515
ⓘWe simplify the fraction by dividing the numerator and the denominator by the number 15: 1515 = 1×151×15 = 11
26 + 1
ⓘStart from 26 and move forward 1 on the number line
▶Result:   27