Subtract 4/30 from 42/4
1st number: 10 2/4, 2nd number: 4/30
42/4 - 4/30 is 311/30.
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,
4/30 = 4 × 2/30 × 2 = 8/60 - Subtract the two like fractions:
630/60 - 8/60 = 630 - 8/60 = 622/60 - After reducing the fraction, the answer is 311/30
- In mixed form: 1011/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/4-4/30 42/4-8/30 42/8-4/30 42/4-4/60 42/4-12/30 42/12-4/30 42/4-4/90 42/4-20/30 42/20-4/30 42/4-28/30 42/28-4/30