Subtract 3/35 from 3/80
3/80 - 3/35 is -27/560.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 35 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 80 × 7 = 560,
3/80 = 3 × 7/80 × 7 = 21/560 - Likewise, for the 2nd fraction, since 35 × 16 = 560,
3/35 = 3 × 16/35 × 16 = 48/560 - Subtract the two like fractions:
21/560 - 48/560 = 21 - 48/560 = -27/560
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/80-3/35 3/80-6/35 3/80-3/70 9/80-3/35 3/80-9/35 15/80-3/35 3/80-15/35 21/80-3/35 3/80-21/35