Add 70/54 and 21/63, Solve 1 16/54 + 21/63 as a fraction

Add 70/54 and 21/63

1^st number: 1 16/54, 2^nd number: 21/63

70/54 + 21/63 is 44/27.

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

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 54 × 7 = 378,
70/54 = 70 × 7/54 × 7 = 490/378
Likewise, for the 2nd fraction, since 63 × 6 = 378,
21/63 = 21 × 6/63 × 6 = 126/378
Add the two like fractions:
490/378 + 126/378 = 490 + 126/378 = 616/378
616/378 simplified gives 44/27
So, 70/54 + 21/63 = 44/27
In mixed form: 117/27

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