Add 27/40 and 9/15
27/40 + 9/15 is 51/40.
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,
9/15 = 9 × 8/15 × 8 = 72/120 - Add the two like fractions:
81/120 + 72/120 = 81 + 72/120 = 153/120 - 153/120 simplified gives 51/40
- So, 27/40 + 9/15 = 51/40
In mixed form: 111/40
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