Subtract 30/20 from 1/16
1st number: 1/16, 2nd number: 1 10/20
1/16 - 30/20 is -23/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 20 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
1/16 = 1 × 5/16 × 5 = 5/80 - Likewise, for the 2nd fraction, since 20 × 4 = 80,
30/20 = 30 × 4/20 × 4 = 120/80 - Subtract the two like fractions:
5/80 - 120/80 = 5 - 120/80 = -115/80 - After reducing the fraction, the answer is -23/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/16-30/20 1/16-60/20 1/32-30/20 1/16-30/40 3/16-30/20 1/16-90/20 1/48-30/20 1/16-30/60 5/16-30/20 1/80-30/20 7/16-30/20