Add 64/63 and 70/20, Solve 1 1/63 + 3 10/20 as a fraction

Add 64/63 and 70/20

1^st number: 1 1/63, 2^nd number: 3 10/20

64/63 + 70/20 is 569/126.

Find the least common denominator or LCM of the two denominators:
LCM of 63 and 20 is 1260

Next, find the equivalent fraction of both fractional numbers with denominator 1260
For the 1st fraction, since 63 × 20 = 1260,
64/63 = 64 × 20/63 × 20 = 1280/1260
Likewise, for the 2nd fraction, since 20 × 63 = 1260,
70/20 = 70 × 63/20 × 63 = 4410/1260
Add the two like fractions:
1280/1260 + 4410/1260 = 1280 + 4410/1260 = 5690/1260
5690/1260 simplified gives 569/126
So, 64/63 + 70/20 = 569/126
In mixed form: 465/126

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