Subtract 70/21 from 10/60
1st number: 10/60, 2nd number: 3 7/21
10/60 - 70/21 is -19/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 21 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
10/60 = 10 × 7/60 × 7 = 70/420 - Likewise, for the 2nd fraction, since 21 × 20 = 420,
70/21 = 70 × 20/21 × 20 = 1400/420 - Subtract the two like fractions:
70/420 - 1400/420 = 70 - 1400/420 = -1330/420 - After reducing the fraction, the answer is -19/6
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