Subtract 42/10 from 15/54
1st number: 15/54, 2nd number: 4 2/10
15/54 - 42/10 is -353/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 10 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
15/54 = 15 × 5/54 × 5 = 75/270 - Likewise, for the 2nd fraction, since 10 × 27 = 270,
42/10 = 42 × 27/10 × 27 = 1134/270 - Subtract the two like fractions:
75/270 - 1134/270 = 75 - 1134/270 = -1059/270 - After reducing the fraction, the answer is -353/90
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