Add 48/42 and 21/60, Solve 1 6/42 + 21/60 as a fraction

Add 48/42 and 21/60

1^st number: 1 6/42, 2^nd number: 21/60

48/42 + 21/60 is 209/140.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 60 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 42 × 10 = 420,
48/42 = 48 × 10/42 × 10 = 480/420
Likewise, for the 2nd fraction, since 60 × 7 = 420,
21/60 = 21 × 7/60 × 7 = 147/420
Add the two like fractions:
480/420 + 147/420 = 480 + 147/420 = 627/420
627/420 simplified gives 209/140
So, 48/42 + 21/60 = 209/140
In mixed form: 169/140

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