Subtract 42/80 from 98/30
1st number: 3 8/30, 2nd number: 42/80
98/30 - 42/80 is 329/120.
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,
98/30 = 98 × 8/30 × 8 = 784/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
42/80 = 42 × 3/80 × 3 = 126/240 - Subtract the two like fractions:
784/240 - 126/240 = 784 - 126/240 = 658/240 - After reducing the fraction, the answer is 329/120
- In mixed form: 289/120
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