Subtract 30/70 from 10/8
1st number: 1 2/8, 2nd number: 30/70
10/8 - 30/70 is 23/28.
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,
10/8 = 10 × 35/8 × 35 = 350/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
30/70 = 30 × 4/70 × 4 = 120/280 - Subtract the two like fractions:
350/280 - 120/280 = 350 - 120/280 = 230/280 - After reducing the fraction, the answer is 23/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/8-30/70 10/8-60/70 10/16-30/70 30/8-30/70 10/8-90/70 10/24-30/70 50/8-30/70 10/40-30/70 70/8-30/70 10/56-30/70