Add 27/40 and 72/15
1st number: 27/40, 2nd number: 4 12/15
27/40 + 72/15 is 219/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 15 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 15 × 8 = 120,
72/15 = 72 × 8/15 × 8 = 576/120 - Add the two like fractions:
81/120 + 576/120 = 81 + 576/120 = 657/120 - 657/120 simplified gives 219/40
- So, 27/40 + 72/15 = 219/40
In mixed form: 519/40
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