Subtract 36/30 from 8/40
1st number: 8/40, 2nd number: 1 6/30
8/40 - 36/30 is -1/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
8/40 = 8 × 3/40 × 3 = 24/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
36/30 = 36 × 4/30 × 4 = 144/120 - Subtract the two like fractions:
24/120 - 144/120 = 24 - 144/120 = -120/120 - After reducing the fraction, the answer is -1/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/40-36/30 8/40-72/30 8/80-36/30 8/40-36/60 24/40-36/30 8/40-36/90 56/40-36/30