Subtract 49/30 from 25/21
1st number: 1 4/21, 2nd number: 1 19/30
25/21 - 49/30 is -31/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 21 × 10 = 210,
25/21 = 25 × 10/21 × 10 = 250/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
49/30 = 49 × 7/30 × 7 = 343/210 - Subtract the two like fractions:
250/210 - 343/210 = 250 - 343/210 = -93/210 - After reducing the fraction, the answer is -31/70
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