Subtract 42/4 from 18/30
1st number: 18/30, 2nd number: 10 2/4
18/30 - 42/4 is -99/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 4 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
18/30 = 18 × 2/30 × 2 = 36/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
42/4 = 42 × 15/4 × 15 = 630/60 - Subtract the two like fractions:
36/60 - 630/60 = 36 - 630/60 = -594/60 - After reducing the fraction, the answer is -99/10
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