Add 25/42 and 80/60, Solve 25/42 + 1 20/60 as a fraction

Add 25/42 and 80/60

1^st number: 25/42, 2^nd number: 1 20/60

25/42 + 80/60 is 27/14.

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,
25/42 = 25 × 10/42 × 10 = 250/420
Likewise, for the 2nd fraction, since 60 × 7 = 420,
80/60 = 80 × 7/60 × 7 = 560/420
Add the two like fractions:
250/420 + 560/420 = 250 + 560/420 = 810/420
810/420 simplified gives 27/14
So, 25/42 + 80/60 = 27/14
In mixed form: 113/14

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