Subtract 72/70 from 60/20
1st number: 3 0/20, 2nd number: 1 2/70
60/20 - 72/70 is 69/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
60/20 = 60 × 7/20 × 7 = 420/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
72/70 = 72 × 2/70 × 2 = 144/140 - Subtract the two like fractions:
420/140 - 144/140 = 420 - 144/140 = 276/140 - After reducing the fraction, the answer is 69/35
- In mixed form: 134/35
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