Add 35/42 and 27/20, Solve 35/42 + 1 7/20 as a fraction

Add 35/42 and 27/20

1^st number: 35/42, 2^nd number: 1 7/20

35/42 + 27/20 is 131/60.

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

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 42 × 10 = 420,
35/42 = 35 × 10/42 × 10 = 350/420
Likewise, for the 2nd fraction, since 20 × 21 = 420,
27/20 = 27 × 21/20 × 21 = 567/420
Add the two like fractions:
350/420 + 567/420 = 350 + 567/420 = 917/420
917/420 simplified gives 131/60
So, 35/42 + 27/20 = 131/60
In mixed form: 211/60

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