Add 20/49 and 70/63, Solve 20/49 + 1 7/63 as a fraction

Add 20/49 and 70/63

1^st number: 20/49, 2^nd number: 1 7/63

20/49 + 70/63 is 670/441.

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,
20/49 = 20 × 9/49 × 9 = 180/441
Likewise, for the 2nd fraction, since 63 × 7 = 441,
70/63 = 70 × 7/63 × 7 = 490/441
Add the two like fractions:
180/441 + 490/441 = 180 + 490/441 = 670/441
So, 20/49 + 70/63 = 670/441
In mixed form: 1229/441

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