Subtract 1/70 from 8/4
1st number: 2 0/4, 2nd number: 1/70
8/4 - 1/70 is 139/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 4 × 35 = 140,
8/4 = 8 × 35/4 × 35 = 280/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
1/70 = 1 × 2/70 × 2 = 2/140 - Subtract the two like fractions:
280/140 - 2/140 = 280 - 2/140 = 278/140 - After reducing the fraction, the answer is 139/70
- In mixed form: 169/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/4-1/70 8/4-2/70 24/4-1/70 8/4-3/70 8/12-1/70 40/4-1/70 8/4-5/70 8/20-1/70 56/4-1/70 8/4-7/70 8/28-1/70