Add 15/40 and 49/54
15/40 + 49/54 is 277/216.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 54 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 54 × 20 = 1080,
49/54 = 49 × 20/54 × 20 = 980/1080 - Add the two like fractions:
405/1080 + 980/1080 = 405 + 980/1080 = 1385/1080 - 1385/1080 simplified gives 277/216
- So, 15/40 + 49/54 = 277/216
In mixed form: 161/216
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