Subtract 70/10 from 7/4
1st number: 1 3/4, 2nd number: 7 0/10
7/4 - 70/10 is -21/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 10 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
7/4 = 7 × 5/4 × 5 = 35/20 - Likewise, for the 2nd fraction, since 10 × 2 = 20,
70/10 = 70 × 2/10 × 2 = 140/20 - Subtract the two like fractions:
35/20 - 140/20 = 35 - 140/20 = -105/20 - After reducing the fraction, the answer is -21/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/4-70/10 7/8-70/10 7/4-70/20 21/4-70/10 7/12-70/10 7/4-70/30 35/4-70/10 7/20-70/10 7/4-70/50 49/4-70/10 7/28-70/10