Subtract 8/70 from 72/45, Solve 1 27/45

Subtract 8/70 from 72/45

1^st number: 1 27/45, 2^nd number: 8/70

72/45 - 8/70 is 52/35.

Find the least common denominator or LCM of the two denominators:
LCM of 45 and 70 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 45 × 14 = 630,
72/45 = 72 × 14/45 × 14 = 1008/630
Likewise, for the 2nd fraction, since 70 × 9 = 630,
8/70 = 8 × 9/70 × 9 = 72/630
Subtract the two like fractions:
1008/630 - 72/630 = 1008 - 72/630 = 936/630
After reducing the fraction, the answer is 52/35
In mixed form: 117/35

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