Add 10/21 and 72/60, Solve 10/21 + 1 12/60 as a fraction

Add 10/21 and 72/60

1^st number: 10/21, 2^nd number: 1 12/60

10/21 + 72/60 is 176/105.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 60 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 21 × 20 = 420,
10/21 = 10 × 20/21 × 20 = 200/420
Likewise, for the 2nd fraction, since 60 × 7 = 420,
72/60 = 72 × 7/60 × 7 = 504/420
Add the two like fractions:
200/420 + 504/420 = 200 + 504/420 = 704/420
704/420 simplified gives 176/105
So, 10/21 + 72/60 = 176/105
In mixed form: 171/105

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