Subtract 18/72 from 45/20
1st number: 2 5/20, 2nd number: 18/72
45/20 - 18/72 is 2/1.
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,
45/20 = 45 × 18/20 × 18 = 810/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
18/72 = 18 × 5/72 × 5 = 90/360 - Subtract the two like fractions:
810/360 - 90/360 = 810 - 90/360 = 720/360 - After reducing the fraction, the answer is 2/1
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