Subtract 7/30 from 70/8
1st number: 8 6/8, 2nd number: 7/30
70/8 - 7/30 is 511/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
70/8 = 70 × 15/8 × 15 = 1050/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
7/30 = 7 × 4/30 × 4 = 28/120 - Subtract the two like fractions:
1050/120 - 28/120 = 1050 - 28/120 = 1022/120 - After reducing the fraction, the answer is 511/60
- In mixed form: 831/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/8-14/30 70/16-7/30 70/8-7/60 70/8-21/30 70/24-7/30 70/8-7/90 70/8-35/30 70/40-7/30 70/8-49/30 70/56-7/30