Subtract 3/80 from 49/56
49/56 - 3/80 is 67/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 56 × 10 = 560,
49/56 = 49 × 10/56 × 10 = 490/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
3/80 = 3 × 7/80 × 7 = 21/560 - Subtract the two like fractions:
490/560 - 21/560 = 490 - 21/560 = 469/560 - After reducing the fraction, the answer is 67/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/56-3/80 49/56-6/80 49/56-9/80 49/56-15/80 49/56-21/80