simplify 4/5+1/2
Let's reduce: 45 + 12
ⓘ To add fractions, put them over the same denominator, then add the numerators. We choose 10, the least common multiple of 5 and 2. Multiplying the numerator and the denominator by the same number does not change the fraction: 45 + 12 = 4×25×2 + 1×52×5 = 4×2 + 1×55×2 = 4×2 + 55×2
4×2 + 55×2
ⓘ Multiplications are done before additions and subtractions: 4×2 = 8
ⅰ 5×2 = 10
8 + 510
ⓘ The numerator and the denominator are computed before the division: 8 + 5 = 13
▶Simplified form:   1310
The numeric value of: 1310 is:
▷ 1.3