Subtract 7/3 from 7/30
1st number: 7/30, 2nd number: 2 1/3
7/30 - 7/3 is -21/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 3 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
7/30 = 7 × 1/30 × 1 = 7/30 - Likewise, for the 2nd fraction, since 3 × 10 = 30,
7/3 = 7 × 10/3 × 10 = 70/30 - Subtract the two like fractions:
7/30 - 70/30 = 7 - 70/30 = -63/30 - After reducing the fraction, the answer is -21/10
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