Add 70/63 and 28/54, Solve 1 7/63 + 28/54 as a fraction

Add 70/63 and 28/54

1^st number: 1 7/63, 2^nd number: 28/54

70/63 + 28/54 is 44/27.

Find the least common denominator or LCM of the two denominators:
LCM of 63 and 54 is 378

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 63 × 6 = 378,
70/63 = 70 × 6/63 × 6 = 420/378
Likewise, for the 2nd fraction, since 54 × 7 = 378,
28/54 = 28 × 7/54 × 7 = 196/378
Add the two like fractions:
420/378 + 196/378 = 420 + 196/378 = 616/378
616/378 simplified gives 44/27
So, 70/63 + 28/54 = 44/27
In mixed form: 117/27

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