Add 48/20 and 15/42, Solve 2 8/20 + 15/42 as a fraction

Add 48/20 and 15/42

1^st number: 2 8/20, 2^nd number: 15/42

48/20 + 15/42 is 193/70.

Find the least common denominator or LCM of the two denominators:
LCM of 20 and 42 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 20 × 21 = 420,
48/20 = 48 × 21/20 × 21 = 1008/420
Likewise, for the 2nd fraction, since 42 × 10 = 420,
15/42 = 15 × 10/42 × 10 = 150/420
Add the two like fractions:
1008/420 + 150/420 = 1008 + 150/420 = 1158/420
1158/420 simplified gives 193/70
So, 48/20 + 15/42 = 193/70
In mixed form: 253/70

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