Add 28/36 and 70/63, Solve 28/36 + 1 7/63 as a fraction

Add 28/36 and 70/63

1^st number: 28/36, 2^nd number: 1 7/63

28/36 + 70/63 is 17/9.

Find the least common denominator or LCM of the two denominators:
LCM of 36 and 63 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 36 × 7 = 252,
28/36 = 28 × 7/36 × 7 = 196/252
Likewise, for the 2nd fraction, since 63 × 4 = 252,
70/63 = 70 × 4/63 × 4 = 280/252
Add the two like fractions:
196/252 + 280/252 = 196 + 280/252 = 476/252
476/252 simplified gives 17/9
So, 28/36 + 70/63 = 17/9
In mixed form: 18/9

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