Add 15/40 and 7/27
15/40 + 7/27 is 137/216.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 27 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 40 × 27 = 1080,
15/40 = 15 × 27/40 × 27 = 405/1080 - Likewise, for the 2nd fraction, since 27 × 40 = 1080,
7/27 = 7 × 40/27 × 40 = 280/1080 - Add the two like fractions:
405/1080 + 280/1080 = 405 + 280/1080 = 685/1080 - 685/1080 simplified gives 137/216
- So, 15/40 + 7/27 = 137/216
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