Add 4/21 and 6/72, Solve 4/21 + 6/72 as a fraction

Add 4/21 and 6/72

4/21 + 6/72 is 23/84.

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,
4/21 = 4 × 24/21 × 24 = 96/504
Likewise, for the 2nd fraction, since 72 × 7 = 504,
6/72 = 6 × 7/72 × 7 = 42/504
Add the two like fractions:
96/504 + 42/504 = 96 + 42/504 = 138/504
138/504 simplified gives 23/84
So, 4/21 + 6/72 = 23/84

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