Subtract 4/42 from 16/9
1st number: 1 7/9, 2nd number: 4/42
16/9 - 4/42 is 106/63.
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,
16/9 = 16 × 14/9 × 14 = 224/126 - Likewise, for the 2nd fraction, since 42 × 3 = 126,
4/42 = 4 × 3/42 × 3 = 12/126 - Subtract the two like fractions:
224/126 - 12/126 = 224 - 12/126 = 212/126 - After reducing the fraction, the answer is 106/63
- In mixed form: 143/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/9-4/42 16/9-8/42 16/18-4/42 16/9-4/84 48/9-4/42 16/9-12/42 16/27-4/42 80/9-4/42 16/9-20/42 16/45-4/42 16/9-28/42 16/63-4/42