Add 35/21 and 72/18, Solve 1 14/21 + 4 0/18 as a fraction

Add 35/21 and 72/18

1^st number: 1 14/21, 2^nd number: 4 0/18

35/21 + 72/18 is 17/3.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 18 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 21 × 6 = 126,
35/21 = 35 × 6/21 × 6 = 210/126
Likewise, for the 2nd fraction, since 18 × 7 = 126,
72/18 = 72 × 7/18 × 7 = 504/126
Add the two like fractions:
210/126 + 504/126 = 210 + 504/126 = 714/126
714/126 simplified gives 17/3
So, 35/21 + 72/18 = 17/3
In mixed form: 52/3

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