Subtract 18/40 from 35/10
1st number: 3 5/10, 2nd number: 18/40
35/10 - 18/40 is 61/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 10 × 4 = 40,
35/10 = 35 × 4/10 × 4 = 140/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
18/40 = 18 × 1/40 × 1 = 18/40 - Subtract the two like fractions:
140/40 - 18/40 = 140 - 18/40 = 122/40 - After reducing the fraction, the answer is 61/20
- In mixed form: 31/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/10-18/40 35/10-36/40 35/20-18/40 35/10-18/80 35/10-54/40 35/30-18/40 35/10-90/40 35/50-18/40 35/70-18/40