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

Add 10/21 and 4/72

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

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

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

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