Add 56/21 and 21/72, Solve 2 14/21 + 21/72 as a fraction

Add 56/21 and 21/72

1^st number: 2 14/21, 2^nd number: 21/72

56/21 + 21/72 is 71/24.

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,
56/21 = 56 × 24/21 × 24 = 1344/504
Likewise, for the 2nd fraction, since 72 × 7 = 504,
21/72 = 21 × 7/72 × 7 = 147/504
Add the two like fractions:
1344/504 + 147/504 = 1344 + 147/504 = 1491/504
1491/504 simplified gives 71/24
So, 56/21 + 21/72 = 71/24
In mixed form: 223/24

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