Add 21/49 and 10/63
21/49 + 10/63 is 37/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 63 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 49 × 9 = 441,
21/49 = 21 × 9/49 × 9 = 189/441 - Likewise, for the 2nd fraction, since 63 × 7 = 441,
10/63 = 10 × 7/63 × 7 = 70/441 - Add the two like fractions:
189/441 + 70/441 = 189 + 70/441 = 259/441 - 259/441 simplified gives 37/63
- So, 21/49 + 10/63 = 37/63
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