Subtract 1/30 from 70/7
1st number: 10 0/7, 2nd number: 1/30
70/7 - 1/30 is 299/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 7 × 30 = 210,
70/7 = 70 × 30/7 × 30 = 2100/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
1/30 = 1 × 7/30 × 7 = 7/210 - Subtract the two like fractions:
2100/210 - 7/210 = 2100 - 7/210 = 2093/210 - After reducing the fraction, the answer is 299/30
- In mixed form: 929/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/7-2/30 70/14-1/30 70/7-1/60 70/7-3/30 70/21-1/30 70/7-1/90 70/7-5/30 70/35-1/30 70/7-7/30 70/49-1/30