Subtract 70/90 from 36/35, Solve 1 1/35

Subtract 70/90 from 36/35

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

36/35 - 70/90 is 79/315.

Find the least common denominator or LCM of the two denominators:
LCM of 35 and 90 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 35 × 18 = 630,
36/35 = 36 × 18/35 × 18 = 648/630
Likewise, for the 2nd fraction, since 90 × 7 = 630,
70/90 = 70 × 7/90 × 7 = 490/630
Subtract the two like fractions:
648/630 - 490/630 = 648 - 490/630 = 158/630
After reducing the fraction, the answer is 79/315

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