Subtract 2/30 from 54/20
1st number: 2 14/20, 2nd number: 2/30
54/20 - 2/30 is 79/30.
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,
54/20 = 54 × 3/20 × 3 = 162/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
2/30 = 2 × 2/30 × 2 = 4/60 - Subtract the two like fractions:
162/60 - 4/60 = 162 - 4/60 = 158/60 - After reducing the fraction, the answer is 79/30
- In mixed form: 219/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/20-4/30 54/40-2/30 54/20-2/60 54/20-6/30 54/60-2/30 54/20-2/90 54/20-10/30 54/20-14/30