Add 21/48 and 63/35, Solve 21/48 + 1 28/35 as a fraction

Add 21/48 and 63/35

1^st number: 21/48, 2^nd number: 1 28/35

21/48 + 63/35 is 179/80.

Find the least common denominator or LCM of the two denominators:
LCM of 48 and 35 is 1680

Next, find the equivalent fraction of both fractional numbers with denominator 1680
For the 1st fraction, since 48 × 35 = 1680,
21/48 = 21 × 35/48 × 35 = 735/1680
Likewise, for the 2nd fraction, since 35 × 48 = 1680,
63/35 = 63 × 48/35 × 48 = 3024/1680
Add the two like fractions:
735/1680 + 3024/1680 = 735 + 3024/1680 = 3759/1680
3759/1680 simplified gives 179/80
So, 21/48 + 63/35 = 179/80
In mixed form: 219/80

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