Subtract 1/80 from 35/28
1st number: 1 7/28, 2nd number: 1/80
35/28 - 1/80 is 99/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 28 × 20 = 560,
35/28 = 35 × 20/28 × 20 = 700/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
1/80 = 1 × 7/80 × 7 = 7/560 - Subtract the two like fractions:
700/560 - 7/560 = 700 - 7/560 = 693/560 - After reducing the fraction, the answer is 99/80
- In mixed form: 119/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/28-1/80 35/28-2/80 35/56-1/80 35/28-3/80 35/84-1/80 35/28-5/80 35/28-7/80