Subtract 18/60 from 70/9
1st number: 7 7/9, 2nd number: 18/60
70/9 - 18/60 is 673/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 9 × 20 = 180,
70/9 = 70 × 20/9 × 20 = 1400/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
18/60 = 18 × 3/60 × 3 = 54/180 - Subtract the two like fractions:
1400/180 - 54/180 = 1400 - 54/180 = 1346/180 - After reducing the fraction, the answer is 673/90
- In mixed form: 743/90
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