Subtract 2/40 from 30/3
1st number: 10 0/3, 2nd number: 2/40
30/3 - 2/40 is 199/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 3 × 40 = 120,
30/3 = 30 × 40/3 × 40 = 1200/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
2/40 = 2 × 3/40 × 3 = 6/120 - Subtract the two like fractions:
1200/120 - 6/120 = 1200 - 6/120 = 1194/120 - After reducing the fraction, the answer is 199/20
- In mixed form: 919/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/3-2/40 30/3-4/40 30/6-2/40 30/3-2/80 90/3-2/40 30/3-6/40 30/9-2/40 30/3-10/40 30/15-2/40 30/3-14/40 30/21-2/40