Add 21/48 and 30/7, Solve 21/48 + 4 2/7 as a fraction

Add 21/48 and 30/7

1^st number: 21/48, 2^nd number: 4 2/7

21/48 + 30/7 is 529/112.

Find the least common denominator or LCM of the two denominators:
LCM of 48 and 7 is 336

Next, find the equivalent fraction of both fractional numbers with denominator 336
For the 1st fraction, since 48 × 7 = 336,
21/48 = 21 × 7/48 × 7 = 147/336
Likewise, for the 2nd fraction, since 7 × 48 = 336,
30/7 = 30 × 48/7 × 48 = 1440/336
Add the two like fractions:
147/336 + 1440/336 = 147 + 1440/336 = 1587/336
1587/336 simplified gives 529/112
So, 21/48 + 30/7 = 529/112
In mixed form: 481/112

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