Subtract 42/50 from 84/80
1st number: 1 4/80, 2nd number: 42/50
84/80 - 42/50 is 21/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 50 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 80 × 5 = 400,
84/80 = 84 × 5/80 × 5 = 420/400 - Likewise, for the 2nd fraction, since 50 × 8 = 400,
42/50 = 42 × 8/50 × 8 = 336/400 - Subtract the two like fractions:
420/400 - 336/400 = 420 - 336/400 = 84/400 - After reducing the fraction, the answer is 21/100
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Related: 84/80-84/50