Subtract 70/10 from 9/45
1st number: 9/45, 2nd number: 7 0/10
9/45 - 70/10 is -34/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
9/45 = 9 × 2/45 × 2 = 18/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
70/10 = 70 × 9/10 × 9 = 630/90 - Subtract the two like fractions:
18/90 - 630/90 = 18 - 630/90 = -612/90 - After reducing the fraction, the answer is -34/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/45-70/10 9/90-70/10 9/45-70/20 27/45-70/10 9/45-70/30 9/45-70/50 63/45-70/10