Subtract 12/42 from 49/9
1st number: 5 4/9, 2nd number: 12/42
49/9 - 12/42 is 325/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 42 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 9 × 14 = 126,
49/9 = 49 × 14/9 × 14 = 686/126 - Likewise, for the 2nd fraction, since 42 × 3 = 126,
12/42 = 12 × 3/42 × 3 = 36/126 - Subtract the two like fractions:
686/126 - 36/126 = 686 - 36/126 = 650/126 - After reducing the fraction, the answer is 325/63
- In mixed form: 510/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/9-12/42 49/9-24/42 49/18-12/42 49/9-12/84 49/9-36/42 49/27-12/42 49/9-60/42 49/45-12/42 49/9-84/42 49/63-12/42