Add 45/49 and 15/63
45/49 + 15/63 is 170/147.
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,
45/49 = 45 × 9/49 × 9 = 405/441 - Likewise, for the 2nd fraction, since 63 × 7 = 441,
15/63 = 15 × 7/63 × 7 = 105/441 - Add the two like fractions:
405/441 + 105/441 = 405 + 105/441 = 510/441 - 510/441 simplified gives 170/147
- So, 45/49 + 15/63 = 170/147
In mixed form: 123/147
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