Subtract 72/30 from 3/10
1st number: 3/10, 2nd number: 2 12/30
3/10 - 72/30 is -21/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
3/10 = 3 × 3/10 × 3 = 9/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
72/30 = 72 × 1/30 × 1 = 72/30 - Subtract the two like fractions:
9/30 - 72/30 = 9 - 72/30 = -63/30 - After reducing the fraction, the answer is -21/10
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