Subtract 3/80 from 98/30
1st number: 3 8/30, 2nd number: 3/80
98/30 - 3/80 is 155/48.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
98/30 = 98 × 8/30 × 8 = 784/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
3/80 = 3 × 3/80 × 3 = 9/240 - Subtract the two like fractions:
784/240 - 9/240 = 784 - 9/240 = 775/240 - After reducing the fraction, the answer is 155/48
- In mixed form: 311/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/30-6/80 98/60-3/80 98/30-9/80 98/90-3/80 98/30-15/80 98/30-21/80