Subtract 20/80 from 60/30
1st number: 2 0/30, 2nd number: 20/80
60/30 - 20/80 is 7/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
60/30 = 60 × 8/30 × 8 = 480/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
20/80 = 20 × 3/80 × 3 = 60/240 - Subtract the two like fractions:
480/240 - 60/240 = 480 - 60/240 = 420/240 - After reducing the fraction, the answer is 7/4
- In mixed form: 13/4
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