Subtract 16/30 from 10/90
10/90 - 16/30 is -19/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
10/90 = 10 × 1/90 × 1 = 10/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
16/30 = 16 × 3/30 × 3 = 48/90 - Subtract the two like fractions:
10/90 - 48/90 = 10 - 48/90 = -38/90 - After reducing the fraction, the answer is -19/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/90-16/30 10/90-32/30 10/90-16/60 30/90-16/30 10/90-48/30 10/90-16/90 50/90-16/30 10/90-80/30 70/90-16/30