Subtract 2/80 from 42/48
42/48 - 2/80 is 17/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 48 × 5 = 240,
42/48 = 42 × 5/48 × 5 = 210/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
2/80 = 2 × 3/80 × 3 = 6/240 - Subtract the two like fractions:
210/240 - 6/240 = 210 - 6/240 = 204/240 - After reducing the fraction, the answer is 17/20
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