Subtract 72/20 from 70/6
1st number: 11 4/6, 2nd number: 3 12/20
70/6 - 72/20 is 121/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 6 × 10 = 60,
70/6 = 70 × 10/6 × 10 = 700/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
72/20 = 72 × 3/20 × 3 = 216/60 - Subtract the two like fractions:
700/60 - 216/60 = 700 - 216/60 = 484/60 - After reducing the fraction, the answer is 121/15
- In mixed form: 81/15
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