Subtract 40/80 from 60/30
1st number: 2 0/30, 2nd number: 40/80
60/30 - 40/80 is 3/2.
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,
40/80 = 40 × 3/80 × 3 = 120/240 - Subtract the two like fractions:
480/240 - 120/240 = 480 - 120/240 = 360/240 - After reducing the fraction, the answer is 3/2
- In mixed form: 11/2
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