Add 5/18 and 21/63
5/18 + 21/63 is 11/18.
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,
5/18 = 5 × 7/18 × 7 = 35/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
21/63 = 21 × 2/63 × 2 = 42/126 - Add the two like fractions:
35/126 + 42/126 = 35 + 42/126 = 77/126 - 77/126 simplified gives 11/18
- So, 5/18 + 21/63 = 11/18
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