Subtract 18/30 from 72/4
1st number: 18 0/4, 2nd number: 18/30
72/4 - 18/30 is 87/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 4 × 15 = 60,
72/4 = 72 × 15/4 × 15 = 1080/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
18/30 = 18 × 2/30 × 2 = 36/60 - Subtract the two like fractions:
1080/60 - 36/60 = 1080 - 36/60 = 1044/60 - After reducing the fraction, the answer is 87/5
- In mixed form: 172/5
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