Subtract 7/10 from 84/40
1st number: 2 4/40, 2nd number: 7/10
84/40 - 7/10 is 7/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 10 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
84/40 = 84 × 1/40 × 1 = 84/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
7/10 = 7 × 4/10 × 4 = 28/40 - Subtract the two like fractions:
84/40 - 28/40 = 84 - 28/40 = 56/40 - After reducing the fraction, the answer is 7/5
- In mixed form: 12/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/40-14/10 84/80-7/10 84/40-7/20 84/40-21/10 84/40-7/30 84/40-35/10 84/40-7/50 84/40-49/10 84/40-7/70