Subtract 70/35 from 30/60
1st number: 30/60, 2nd number: 2 0/35
30/60 - 70/35 is -3/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 35 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
30/60 = 30 × 7/60 × 7 = 210/420 - Likewise, for the 2nd fraction, since 35 × 12 = 420,
70/35 = 70 × 12/35 × 12 = 840/420 - Subtract the two like fractions:
210/420 - 840/420 = 210 - 840/420 = -630/420 - After reducing the fraction, the answer is -3/2
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Related: 90/60-70/35