Subtract 48/72 from 18/20
18/20 - 48/72 is 7/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 20 × 18 = 360,
18/20 = 18 × 18/20 × 18 = 324/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
48/72 = 48 × 5/72 × 5 = 240/360 - Subtract the two like fractions:
324/360 - 240/360 = 324 - 240/360 = 84/360 - After reducing the fraction, the answer is 7/30
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