Subtract 21/10 from 63/35
1st number: 1 28/35, 2nd number: 2 1/10
63/35 - 21/10 is -3/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 35 × 2 = 70,
63/35 = 63 × 2/35 × 2 = 126/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
21/10 = 21 × 7/10 × 7 = 147/70 - Subtract the two like fractions:
126/70 - 147/70 = 126 - 147/70 = -21/70 - After reducing the fraction, the answer is -3/10
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