Subtract 60/80 from 72/12
1st number: 6 0/12, 2nd number: 60/80
72/12 - 60/80 is 21/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 12 × 20 = 240,
72/12 = 72 × 20/12 × 20 = 1440/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
60/80 = 60 × 3/80 × 3 = 180/240 - Subtract the two like fractions:
1440/240 - 180/240 = 1440 - 180/240 = 1260/240 - After reducing the fraction, the answer is 21/4
- In mixed form: 51/4
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