Subtract 45/70 from 50/63, Solve 50/63

Subtract 45/70 from 50/63

50/63 - 45/70 is 19/126.

Find the least common denominator or LCM of the two denominators:
LCM of 63 and 70 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 63 × 10 = 630,
50/63 = 50 × 10/63 × 10 = 500/630
Likewise, for the 2nd fraction, since 70 × 9 = 630,
45/70 = 45 × 9/70 × 9 = 405/630
Subtract the two like fractions:
500/630 - 405/630 = 500 - 405/630 = 95/630
After reducing the fraction, the answer is 19/126

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