Subtract 36/40 from 2/30
2/30 - 36/40 is -5/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
2/30 = 2 × 4/30 × 4 = 8/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
36/40 = 36 × 3/40 × 3 = 108/120 - Subtract the two like fractions:
8/120 - 108/120 = 8 - 108/120 = -100/120 - After reducing the fraction, the answer is -5/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/30-36/40 2/30-72/40 2/60-36/40 2/30-36/80 6/30-36/40 2/90-36/40 10/30-36/40 14/30-36/40