Subtract 3/90 from 80/60
1st number: 1 20/60, 2nd number: 3/90
80/60 - 3/90 is 13/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
80/60 = 80 × 3/60 × 3 = 240/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
3/90 = 3 × 2/90 × 2 = 6/180 - Subtract the two like fractions:
240/180 - 6/180 = 240 - 6/180 = 234/180 - After reducing the fraction, the answer is 13/10
- In mixed form: 13/10
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