Subtract 3/80 from 45/63, Solve 45/63

Subtract 3/80 from 45/63

45/63 - 3/80 is 379/560.

Find the least common denominator or LCM of the two denominators:
LCM of 63 and 80 is 5040

Next, find the equivalent fraction of both fractional numbers with denominator 5040
For the 1st fraction, since 63 × 80 = 5040,
45/63 = 45 × 80/63 × 80 = 3600/5040
Likewise, for the 2nd fraction, since 80 × 63 = 5040,
3/80 = 3 × 63/80 × 63 = 189/5040
Subtract the two like fractions:
3600/5040 - 189/5040 = 3600 - 189/5040 = 3411/5040
After reducing the fraction, the answer is 379/560

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