Subtract 70/45 from 35/70, Solve 35/70

Subtract 70/45 from 35/70

1^st number: 35/70, 2^nd number: 1 25/45

35/70 - 70/45 is -19/18.

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

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 70 × 9 = 630,
35/70 = 35 × 9/70 × 9 = 315/630
Likewise, for the 2nd fraction, since 45 × 14 = 630,
70/45 = 70 × 14/45 × 14 = 980/630
Subtract the two like fractions:
315/630 - 980/630 = 315 - 980/630 = -665/630
After reducing the fraction, the answer is -19/18

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