Add 27/72 and 90/35, Solve 27/72 + 2 20/35 as a fraction

Add 27/72 and 90/35

1^st number: 27/72, 2^nd number: 2 20/35

27/72 + 90/35 is 165/56.

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,
27/72 = 27 × 35/72 × 35 = 945/2520
Likewise, for the 2nd fraction, since 35 × 72 = 2520,
90/35 = 90 × 72/35 × 72 = 6480/2520
Add the two like fractions:
945/2520 + 6480/2520 = 945 + 6480/2520 = 7425/2520
7425/2520 simplified gives 165/56
So, 27/72 + 90/35 = 165/56
In mixed form: 253/56

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