Add 21/2 and 15/72
1st number: 10 1/2, 2nd number: 15/72
21/2 + 15/72 is 257/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 2 × 36 = 72,
21/2 = 21 × 36/2 × 36 = 756/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
15/72 = 15 × 1/72 × 1 = 15/72 - Add the two like fractions:
756/72 + 15/72 = 756 + 15/72 = 771/72 - 771/72 simplified gives 257/24
- So, 21/2 + 15/72 = 257/24
In mixed form: 1017/24
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