Subtract 42/10 from 3/30
1st number: 3/30, 2nd number: 4 2/10
3/30 - 42/10 is -41/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
3/30 = 3 × 1/30 × 1 = 3/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
42/10 = 42 × 3/10 × 3 = 126/30 - Subtract the two like fractions:
3/30 - 126/30 = 3 - 126/30 = -123/30 - After reducing the fraction, the answer is -41/10
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