Subtract 5/80 from 27/7
1st number: 3 6/7, 2nd number: 5/80
27/7 - 5/80 is 425/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 7 × 80 = 560,
27/7 = 27 × 80/7 × 80 = 2160/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
5/80 = 5 × 7/80 × 7 = 35/560 - Subtract the two like fractions:
2160/560 - 35/560 = 2160 - 35/560 = 2125/560 - After reducing the fraction, the answer is 425/112
- In mixed form: 389/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/7-5/80 27/7-10/80 27/14-5/80 81/7-5/80 27/7-15/80 27/21-5/80 27/7-25/80 27/35-5/80 27/7-35/80 27/49-5/80