Add 60/8 and 4/21, Solve 7 4/8 + 4/21 as a fraction

Add 60/8 and 4/21

1^st number: 7 4/8, 2^nd number: 4/21

60/8 + 4/21 is 323/42.

Find the least common denominator or LCM of the two denominators:
LCM of 8 and 21 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 8 × 21 = 168,
60/8 = 60 × 21/8 × 21 = 1260/168
Likewise, for the 2nd fraction, since 21 × 8 = 168,
4/21 = 4 × 8/21 × 8 = 32/168
Add the two like fractions:
1260/168 + 32/168 = 1260 + 32/168 = 1292/168
1292/168 simplified gives 323/42
So, 60/8 + 4/21 = 323/42
In mixed form: 729/42

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