Subtract 50/70 from 9/8
1st number: 1 1/8, 2nd number: 50/70
9/8 - 50/70 is 23/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 8 × 35 = 280,
9/8 = 9 × 35/8 × 35 = 315/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
50/70 = 50 × 4/70 × 4 = 200/280 - Subtract the two like fractions:
315/280 - 200/280 = 315 - 200/280 = 115/280 - After reducing the fraction, the answer is 23/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/8-50/70 9/16-50/70 27/8-50/70 9/24-50/70 45/8-50/70 9/40-50/70 63/8-50/70 9/56-50/70