Subtract 3/45 from 25/70, Solve 25/70

Subtract 3/45 from 25/70

25/70 - 3/45 is 61/210.

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,
25/70 = 25 × 9/70 × 9 = 225/630
Likewise, for the 2nd fraction, since 45 × 14 = 630,
3/45 = 3 × 14/45 × 14 = 42/630
Subtract the two like fractions:
225/630 - 42/630 = 225 - 42/630 = 183/630
After reducing the fraction, the answer is 61/210

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