Subtract 30/8 from 4/2
1st number: 2 0/2, 2nd number: 3 6/8
4/2 - 30/8 is -7/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 8 is 8
Next, find the equivalent fraction of both fractional numbers with denominator 8 - For the 1st fraction, since 2 × 4 = 8,
4/2 = 4 × 4/2 × 4 = 16/8 - Likewise, for the 2nd fraction, since 8 × 1 = 8,
30/8 = 30 × 1/8 × 1 = 30/8 - Subtract the two like fractions:
16/8 - 30/8 = 16 - 30/8 = -14/8 - After reducing the fraction, the answer is -7/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/2-30/8 4/2-60/8 4/2-30/16 12/2-30/8 4/2-90/8 4/6-30/8 4/2-30/24 20/2-30/8 4/10-30/8 4/2-30/40 28/2-30/8 4/14-30/8 4/2-30/56