Subtract 50/30 from 42/4
1st number: 10 2/4, 2nd number: 1 20/30
42/4 - 50/30 is 53/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 4 × 15 = 60,
42/4 = 42 × 15/4 × 15 = 630/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
50/30 = 50 × 2/30 × 2 = 100/60 - Subtract the two like fractions:
630/60 - 100/60 = 630 - 100/60 = 530/60 - After reducing the fraction, the answer is 53/6
- In mixed form: 85/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/4-50/30 42/8-50/30 42/4-50/60 42/12-50/30 42/4-50/90 42/20-50/30 42/28-50/30