Add 21/72 and 49/48, Solve 21/72 + 1 1/48 as a fraction

Add 21/72 and 49/48

1^st number: 21/72, 2^nd number: 1 1/48

21/72 + 49/48 is 21/16.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 48 is 144

Next, find the equivalent fraction of both fractional numbers with denominator 144
For the 1st fraction, since 72 × 2 = 144,
21/72 = 21 × 2/72 × 2 = 42/144
Likewise, for the 2nd fraction, since 48 × 3 = 144,
49/48 = 49 × 3/48 × 3 = 147/144
Add the two like fractions:
42/144 + 147/144 = 42 + 147/144 = 189/144
189/144 simplified gives 21/16
So, 21/72 + 49/48 = 21/16
In mixed form: 15/16

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