Add 60/21 and 72/49, Solve 2 18/21 + 1 23/49 as a fraction

Add 60/21 and 72/49

1^st number: 2 18/21, 2^nd number: 1 23/49

60/21 + 72/49 is 212/49.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 49 is 147

Next, find the equivalent fraction of both fractional numbers with denominator 147
For the 1st fraction, since 21 × 7 = 147,
60/21 = 60 × 7/21 × 7 = 420/147
Likewise, for the 2nd fraction, since 49 × 3 = 147,
72/49 = 72 × 3/49 × 3 = 216/147
Add the two like fractions:
420/147 + 216/147 = 420 + 216/147 = 636/147
636/147 simplified gives 212/49
So, 60/21 + 72/49 = 212/49
In mixed form: 416/49

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