Subtract 14/30 from 42/20
1st number: 2 2/20, 2nd number: 14/30
42/20 - 14/30 is 49/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
42/20 = 42 × 3/20 × 3 = 126/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
14/30 = 14 × 2/30 × 2 = 28/60 - Subtract the two like fractions:
126/60 - 28/60 = 126 - 28/60 = 98/60 - After reducing the fraction, the answer is 49/30
- In mixed form: 119/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/20-14/30 42/20-28/30 42/40-14/30 42/20-14/60 42/20-42/30 42/60-14/30 42/20-14/90 42/20-70/30 42/20-98/30