Subtract 18/70 from 9/10
9/10 - 18/70 is 9/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
9/10 = 9 × 7/10 × 7 = 63/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
18/70 = 18 × 1/70 × 1 = 18/70 - Subtract the two like fractions:
63/70 - 18/70 = 63 - 18/70 = 45/70 - After reducing the fraction, the answer is 9/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/10-18/70 9/10-36/70 9/20-18/70 27/10-18/70 9/10-54/70 9/30-18/70 45/10-18/70 9/10-90/70 9/50-18/70 63/10-18/70 9/70-18/70