Add 24/21 and 4/72, Solve 1 3/21 + 4/72 as a fraction

Add 24/21 and 4/72

1^st number: 1 3/21, 2^nd number: 4/72

24/21 + 4/72 is 151/126.

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,
24/21 = 24 × 24/21 × 24 = 576/504
Likewise, for the 2nd fraction, since 72 × 7 = 504,
4/72 = 4 × 7/72 × 7 = 28/504
Add the two like fractions:
576/504 + 28/504 = 576 + 28/504 = 604/504
604/504 simplified gives 151/126
So, 24/21 + 4/72 = 151/126
In mixed form: 125/126

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