Subtract 18/30 from 42/4
1st number: 10 2/4, 2nd number: 18/30
42/4 - 18/30 is 99/10.
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,
42/4 = 42 × 15/4 × 15 = 630/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
18/30 = 18 × 2/30 × 2 = 36/60 - Subtract the two like fractions:
630/60 - 36/60 = 630 - 36/60 = 594/60 - After reducing the fraction, the answer is 99/10
- In mixed form: 99/10
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