Add 81/72 and 27/35, Solve 1 9/72 + 27/35 as a fraction

Add 81/72 and 27/35

1^st number: 1 9/72, 2^nd number: 27/35

81/72 + 27/35 is 531/280.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 35 is 2520

Next, find the equivalent fraction of both fractional numbers with denominator 2520
For the 1st fraction, since 72 × 35 = 2520,
81/72 = 81 × 35/72 × 35 = 2835/2520
Likewise, for the 2nd fraction, since 35 × 72 = 2520,
27/35 = 27 × 72/35 × 72 = 1944/2520
Add the two like fractions:
2835/2520 + 1944/2520 = 2835 + 1944/2520 = 4779/2520
4779/2520 simplified gives 531/280
So, 81/72 + 27/35 = 531/280
In mixed form: 1251/280

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