Subtract 4/80 from 42/3
1st number: 14 0/3, 2nd number: 4/80
42/3 - 4/80 is 279/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 3 × 80 = 240,
42/3 = 42 × 80/3 × 80 = 3360/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
4/80 = 4 × 3/80 × 3 = 12/240 - Subtract the two like fractions:
3360/240 - 12/240 = 3360 - 12/240 = 3348/240 - After reducing the fraction, the answer is 279/20
- In mixed form: 1319/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/3-4/80 42/3-8/80 42/6-4/80 42/3-12/80 42/9-4/80 42/3-20/80 42/15-4/80 42/3-28/80 42/21-4/80