Subtract 5/7 from 16/30
16/30 - 5/7 is -19/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 7 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
16/30 = 16 × 7/30 × 7 = 112/210 - Likewise, for the 2nd fraction, since 7 × 30 = 210,
5/7 = 5 × 30/7 × 30 = 150/210 - Subtract the two like fractions:
112/210 - 150/210 = 112 - 150/210 = -38/210 - After reducing the fraction, the answer is -19/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/30-5/7 16/30-10/7 16/60-5/7 16/30-5/14 48/30-5/7 16/30-15/7 16/90-5/7 16/30-5/21 80/30-5/7 16/30-25/7 16/30-5/35 16/30-35/7 16/30-5/49