Add 15/2 and 81/63
1st number: 7 1/2, 2nd number: 1 18/63
15/2 + 81/63 is 123/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 2 × 63 = 126,
15/2 = 15 × 63/2 × 63 = 945/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
81/63 = 81 × 2/63 × 2 = 162/126 - Add the two like fractions:
945/126 + 162/126 = 945 + 162/126 = 1107/126 - 1107/126 simplified gives 123/14
- So, 15/2 + 81/63 = 123/14
In mixed form: 811/14
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