Add 10/54 and 63/21, Solve 10/54 + 3 0/21 as a fraction

Add 10/54 and 63/21

1^st number: 10/54, 2^nd number: 3 0/21

10/54 + 63/21 is 86/27.

Find the least common denominator or LCM of the two denominators:
LCM of 54 and 21 is 378

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 54 × 7 = 378,
10/54 = 10 × 7/54 × 7 = 70/378
Likewise, for the 2nd fraction, since 21 × 18 = 378,
63/21 = 63 × 18/21 × 18 = 1134/378
Add the two like fractions:
70/378 + 1134/378 = 70 + 1134/378 = 1204/378
1204/378 simplified gives 86/27
So, 10/54 + 63/21 = 86/27
In mixed form: 35/27

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