Add 28/49 and 30/63
28/49 + 30/63 is 22/21.
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,
28/49 = 28 × 9/49 × 9 = 252/441 - Likewise, for the 2nd fraction, since 63 × 7 = 441,
30/63 = 30 × 7/63 × 7 = 210/441 - Add the two like fractions:
252/441 + 210/441 = 252 + 210/441 = 462/441 - 462/441 simplified gives 22/21
- So, 28/49 + 30/63 = 22/21
In mixed form: 11/21
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