Subtract 10/21 from 35/45
35/45 - 10/21 is 19/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 21 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
35/45 = 35 × 7/45 × 7 = 245/315 - Likewise, for the 2nd fraction, since 21 × 15 = 315,
10/21 = 10 × 15/21 × 15 = 150/315 - Subtract the two like fractions:
245/315 - 150/315 = 245 - 150/315 = 95/315 - After reducing the fraction, the answer is 19/63
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