Subtract 72/4 from 45/15
1st number: 3 0/15, 2nd number: 18 0/4
45/15 - 72/4 is -15/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 4 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
45/15 = 45 × 4/15 × 4 = 180/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
72/4 = 72 × 15/4 × 15 = 1080/60 - Subtract the two like fractions:
180/60 - 1080/60 = 180 - 1080/60 = -900/60 - After reducing the fraction, the answer is -15/1
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