Subtract 1/8 from 70/9
1st number: 7 7/9, 2nd number: 1/8
70/9 - 1/8 is 551/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 9 × 8 = 72,
70/9 = 70 × 8/9 × 8 = 560/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
1/8 = 1 × 9/8 × 9 = 9/72 - Subtract the two like fractions:
560/72 - 9/72 = 560 - 9/72 = 551/72 - In mixed form: 747/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/9-2/8 70/18-1/8 70/9-1/16 70/9-3/8 70/27-1/8 70/9-1/24 70/9-5/8 70/45-1/8 70/9-1/40 70/9-7/8 70/63-1/8 70/9-1/56