Add 30/72 and 24/21, Solve 30/72 + 1 3/21 as a fraction

Add 30/72 and 24/21

1^st number: 30/72, 2^nd number: 1 3/21

30/72 + 24/21 is 131/84.

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,
30/72 = 30 × 7/72 × 7 = 210/504
Likewise, for the 2nd fraction, since 21 × 24 = 504,
24/21 = 24 × 24/21 × 24 = 576/504
Add the two like fractions:
210/504 + 576/504 = 210 + 576/504 = 786/504
786/504 simplified gives 131/84
So, 30/72 + 24/21 = 131/84
In mixed form: 147/84

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