Add 15/18 and 7/63
15/18 + 7/63 is 17/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
15/18 = 15 × 7/18 × 7 = 105/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
7/63 = 7 × 2/63 × 2 = 14/126 - Add the two like fractions:
105/126 + 14/126 = 105 + 14/126 = 119/126 - 119/126 simplified gives 17/18
- So, 15/18 + 7/63 = 17/18
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