Add 4/72 and 10/21, Solve 4/72 + 10/21 as a fraction

Add 4/72 and 10/21

4/72 + 10/21 is 67/126.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 21 is 504

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 72 × 7 = 504,
4/72 = 4 × 7/72 × 7 = 28/504
Likewise, for the 2nd fraction, since 21 × 24 = 504,
10/21 = 10 × 24/21 × 24 = 240/504
Add the two like fractions:
28/504 + 240/504 = 28 + 240/504 = 268/504
268/504 simplified gives 67/126
So, 4/72 + 10/21 = 67/126

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