Subtract 27/70 from 63/80, Solve 63/80

Subtract 27/70 from 63/80

63/80 - 27/70 is 45/112.

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 70 is 560

Next, find the equivalent fraction of both fractional numbers with denominator 560
For the 1st fraction, since 80 × 7 = 560,
63/80 = 63 × 7/80 × 7 = 441/560
Likewise, for the 2nd fraction, since 70 × 8 = 560,
27/70 = 27 × 8/70 × 8 = 216/560
Subtract the two like fractions:
441/560 - 216/560 = 441 - 216/560 = 225/560
After reducing the fraction, the answer is 45/112

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