Add 18/49 and 40/63
18/49 + 40/63 is 442/441.
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,
18/49 = 18 × 9/49 × 9 = 162/441 - Likewise, for the 2nd fraction, since 63 × 7 = 441,
40/63 = 40 × 7/63 × 7 = 280/441 - Add the two like fractions:
162/441 + 280/441 = 162 + 280/441 = 442/441 - So, 18/49 + 40/63 = 442/441
In mixed form: 11/441
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