Add 21/49 and 50/63
21/49 + 50/63 is 11/9.
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,
50/63 = 50 × 7/63 × 7 = 350/441 - Add the two like fractions:
189/441 + 350/441 = 189 + 350/441 = 539/441 - 539/441 simplified gives 11/9
- So, 21/49 + 50/63 = 11/9
In mixed form: 12/9
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