Subtract 98/35 from 21/12
1st number: 1 9/12, 2nd number: 2 28/35
21/12 - 98/35 is -21/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 35 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 12 × 35 = 420,
21/12 = 21 × 35/12 × 35 = 735/420 - Likewise, for the 2nd fraction, since 35 × 12 = 420,
98/35 = 98 × 12/35 × 12 = 1176/420 - Subtract the two like fractions:
735/420 - 1176/420 = 735 - 1176/420 = -441/420 - After reducing the fraction, the answer is -21/20
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