Add 70/72 and 21/54, Solve 70/72 + 21/54 as a fraction

Add 70/72 and 21/54

70/72 + 21/54 is 49/36.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 54 is 216

Next, find the equivalent fraction of both fractional numbers with denominator 216
For the 1st fraction, since 72 × 3 = 216,
70/72 = 70 × 3/72 × 3 = 210/216
Likewise, for the 2nd fraction, since 54 × 4 = 216,
21/54 = 21 × 4/54 × 4 = 84/216
Add the two like fractions:
210/216 + 84/216 = 210 + 84/216 = 294/216
294/216 simplified gives 49/36
So, 70/72 + 21/54 = 49/36
In mixed form: 113/36

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