Subtract 70/72 from 48/50, Solve 48/50

Subtract 70/72 from 48/50

48/50 - 70/72 is -11/900.

Find the least common denominator or LCM of the two denominators:
LCM of 50 and 72 is 1800

Next, find the equivalent fraction of both fractional numbers with denominator 1800
For the 1st fraction, since 50 × 36 = 1800,
48/50 = 48 × 36/50 × 36 = 1728/1800
Likewise, for the 2nd fraction, since 72 × 25 = 1800,
70/72 = 70 × 25/72 × 25 = 1750/1800
Subtract the two like fractions:
1728/1800 - 1750/1800 = 1728 - 1750/1800 = -22/1800
After reducing the fraction, the answer is -11/900

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