Subtract 42/8 from 10/2
1st number: 5 0/2, 2nd number: 5 2/8
102 - 428 is -14.
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,
102 = 10 × 42 × 4 = 408 - Likewise, for the 2nd fraction, since 8 × 1 = 8,
428 = 42 × 18 × 1 = 428 - Subtract the two like fractions:
408 - 428 = 40 - 428 = -28 - After reducing the fraction, the answer is -14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/2-42/8 10/2-84/8 10/4-42/8 10/2-42/16 30/2-42/8 10/6-42/8 10/2-42/24 50/2-42/8 10/2-42/40 70/2-42/8 10/14-42/8 10/2-42/56