Subtract 3/7 from 16/18
16/18 - 3/7 is 29/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 7 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
16/18 = 16 × 7/18 × 7 = 112/126 - Likewise, for the 2nd fraction, since 7 × 18 = 126,
3/7 = 3 × 18/7 × 18 = 54/126 - Subtract the two like fractions:
112/126 - 54/126 = 112 - 54/126 = 58/126 - After reducing the fraction, the answer is 29/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/18-3/7 16/18-6/7 16/36-3/7 16/18-3/14 48/18-3/7 16/18-9/7 16/54-3/7 16/18-3/21 80/18-3/7 16/18-15/7 16/90-3/7 16/18-3/35 16/18-21/7 16/18-3/49