Subtract 7/15 from 18/4
1st number: 4 2/4, 2nd number: 7/15
18/4 - 7/15 is 121/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 4 × 15 = 60,
18/4 = 18 × 15/4 × 15 = 270/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
7/15 = 7 × 4/15 × 4 = 28/60 - Subtract the two like fractions:
270/60 - 28/60 = 270 - 28/60 = 242/60 - After reducing the fraction, the answer is 121/30
- In mixed form: 41/30
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