Subtract 30/42 from 98/54
1st number: 1 44/54, 2nd number: 30/42
98/54 - 30/42 is 208/189.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 42 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
98/54 = 98 × 7/54 × 7 = 686/378 - Likewise, for the 2nd fraction, since 42 × 9 = 378,
30/42 = 30 × 9/42 × 9 = 270/378 - Subtract the two like fractions:
686/378 - 270/378 = 686 - 270/378 = 416/378 - After reducing the fraction, the answer is 208/189
- In mixed form: 119/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/54-60/42 98/54-30/84 98/54-90/42