Subtract 32/42 from 16/9
1st number: 1 7/9, 2nd number: 32/42
16/9 - 32/42 is 64/63.
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,
32/42 = 32 × 3/42 × 3 = 96/126 - Subtract the two like fractions:
224/126 - 96/126 = 224 - 96/126 = 128/126 - After reducing the fraction, the answer is 64/63
- In mixed form: 11/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/9-32/42 16/9-64/42 16/18-32/42 16/9-32/84 48/9-32/42 16/9-96/42 16/27-32/42 80/9-32/42 16/45-32/42 16/63-32/42