Subtract 16/7 from 18/3
1st number: 6 0/3, 2nd number: 2 2/7
18/3 - 16/7 is 26/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 7 is 21
Next, find the equivalent fraction of both fractional numbers with denominator 21 - For the 1st fraction, since 3 × 7 = 21,
18/3 = 18 × 7/3 × 7 = 126/21 - Likewise, for the 2nd fraction, since 7 × 3 = 21,
16/7 = 16 × 3/7 × 3 = 48/21 - Subtract the two like fractions:
126/21 - 48/21 = 126 - 48/21 = 78/21 - After reducing the fraction, the answer is 26/7
- In mixed form: 35/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/3-16/7 18/3-32/7 18/6-16/7 18/3-16/14 54/3-16/7 18/3-48/7 18/9-16/7 18/3-16/21 90/3-16/7 18/3-80/7 18/15-16/7 18/3-16/35 18/21-16/7 18/3-16/49