Subtract 15/18 from 54/5
1st number: 10 4/5, 2nd number: 15/18
54/5 - 15/18 is 299/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
54/5 = 54 × 18/5 × 18 = 972/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
15/18 = 15 × 5/18 × 5 = 75/90 - Subtract the two like fractions:
972/90 - 75/90 = 972 - 75/90 = 897/90 - After reducing the fraction, the answer is 299/30
- In mixed form: 929/30
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