Add 20/63 and 45/49
20/63 + 45/49 is 545/441.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 49 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 63 × 7 = 441,
20/63 = 20 × 7/63 × 7 = 140/441 - Likewise, for the 2nd fraction, since 49 × 9 = 441,
45/49 = 45 × 9/49 × 9 = 405/441 - Add the two like fractions:
140/441 + 405/441 = 140 + 405/441 = 545/441 - So, 20/63 + 45/49 = 545/441
In mixed form: 1104/441
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