Subtract 28/4 from 3/70
1st number: 3/70, 2nd number: 7 0/4
3/70 - 28/4 is -487/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 4 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
3/70 = 3 × 2/70 × 2 = 6/140 - Likewise, for the 2nd fraction, since 4 × 35 = 140,
28/4 = 28 × 35/4 × 35 = 980/140 - Subtract the two like fractions:
6/140 - 980/140 = 6 - 980/140 = -974/140 - After reducing the fraction, the answer is -487/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/70-28/4 3/70-56/4 3/70-28/8 9/70-28/4 3/70-84/4 3/70-28/12 15/70-28/4 3/70-28/20 21/70-28/4