Add 35/21 and 72/12, Solve 1 14/21 + 6 0/12 as a fraction

Add 35/21 and 72/12

1^st number: 1 14/21, 2^nd number: 6 0/12

35/21 + 72/12 is 23/3.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 12 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 21 × 4 = 84,
35/21 = 35 × 4/21 × 4 = 140/84
Likewise, for the 2nd fraction, since 12 × 7 = 84,
72/12 = 72 × 7/12 × 7 = 504/84
Add the two like fractions:
140/84 + 504/84 = 140 + 504/84 = 644/84
644/84 simplified gives 23/3
So, 35/21 + 72/12 = 23/3
In mixed form: 72/3

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