Subtract 42/80 from 18/3
1st number: 6 0/3, 2nd number: 42/80
18/3 - 42/80 is 219/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 3 × 80 = 240,
18/3 = 18 × 80/3 × 80 = 1440/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
42/80 = 42 × 3/80 × 3 = 126/240 - Subtract the two like fractions:
1440/240 - 126/240 = 1440 - 126/240 = 1314/240 - After reducing the fraction, the answer is 219/40
- In mixed form: 519/40
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