Add 81/72 and 14/7, Solve 1 9/72 + 2 0/7 as a fraction

Add 81/72 and 14/7

1^st number: 1 9/72, 2^nd number: 2 0/7

81/72 + 14/7 is 25/8.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 7 is 504

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 72 × 7 = 504,
81/72 = 81 × 7/72 × 7 = 567/504
Likewise, for the 2nd fraction, since 7 × 72 = 504,
14/7 = 14 × 72/7 × 72 = 1008/504
Add the two like fractions:
567/504 + 1008/504 = 567 + 1008/504 = 1575/504
1575/504 simplified gives 25/8
So, 81/72 + 14/7 = 25/8
In mixed form: 31/8

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