Add 72/70 and 35/90, Solve 1 2/70 + 35/90 as a fraction

Add 72/70 and 35/90

1^st number: 1 2/70, 2^nd number: 35/90

72/70 + 35/90 is 893/630.

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

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 70 × 9 = 630,
72/70 = 72 × 9/70 × 9 = 648/630
Likewise, for the 2nd fraction, since 90 × 7 = 630,
35/90 = 35 × 7/90 × 7 = 245/630
Add the two like fractions:
648/630 + 245/630 = 648 + 245/630 = 893/630
So, 72/70 + 35/90 = 893/630
In mixed form: 1263/630

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