Subtract 3/10 from 84/40
1st number: 2 4/40, 2nd number: 3/10
84/40 - 3/10 is 9/5.
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,
3/10 = 3 × 4/10 × 4 = 12/40 - Subtract the two like fractions:
84/40 - 12/40 = 84 - 12/40 = 72/40 - After reducing the fraction, the answer is 9/5
- In mixed form: 14/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/40-6/10 84/80-3/10 84/40-3/20 84/40-9/10 84/40-3/30 84/40-15/10 84/40-3/50 84/40-21/10 84/40-3/70