Subtract 70/15 from 35/84
1st number: 35/84, 2nd number: 4 10/15
35/84 - 70/15 is -17/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 15 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
35/84 = 35 × 5/84 × 5 = 175/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
70/15 = 70 × 28/15 × 28 = 1960/420 - Subtract the two like fractions:
175/420 - 1960/420 = 175 - 1960/420 = -1785/420 - After reducing the fraction, the answer is -17/4
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