Add 15/54 and 21/24
15/54 + 21/24 is 83/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 24 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 54 × 4 = 216,
15/54 = 15 × 4/54 × 4 = 60/216 - Likewise, for the 2nd fraction, since 24 × 9 = 216,
21/24 = 21 × 9/24 × 9 = 189/216 - Add the two like fractions:
60/216 + 189/216 = 60 + 189/216 = 249/216 - 249/216 simplified gives 83/72
- So, 15/54 + 21/24 = 83/72
In mixed form: 111/72
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