Subtract 36/80 from 30/35
30/35 - 36/80 is 57/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 35 × 16 = 560,
30/35 = 30 × 16/35 × 16 = 480/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
36/80 = 36 × 7/80 × 7 = 252/560 - Subtract the two like fractions:
480/560 - 252/560 = 480 - 252/560 = 228/560 - After reducing the fraction, the answer is 57/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/35-36/80 30/35-72/80 30/70-36/80 90/35-36/80