Add 36/90 and 72/70, Solve 36/90 + 1 2/70 as a fraction

Add 36/90 and 72/70

1^st number: 36/90, 2^nd number: 1 2/70

36/90 + 72/70 is 10/7.

Find the least common denominator or LCM of the two denominators:
LCM of 90 and 70 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 90 × 7 = 630,
36/90 = 36 × 7/90 × 7 = 252/630
Likewise, for the 2nd fraction, since 70 × 9 = 630,
72/70 = 72 × 9/70 × 9 = 648/630
Add the two like fractions:
252/630 + 648/630 = 252 + 648/630 = 900/630
900/630 simplified gives 10/7
So, 36/90 + 72/70 = 10/7
In mixed form: 13/7

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