Add 27/40 and 15/30
27/40 + 15/30 is 47/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
27/40 = 27 × 3/40 × 3 = 81/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
15/30 = 15 × 4/30 × 4 = 60/120 - Add the two like fractions:
81/120 + 60/120 = 81 + 60/120 = 141/120 - 141/120 simplified gives 47/40
- So, 27/40 + 15/30 = 47/40
In mixed form: 17/40
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