Subtract 49/16 from 30/20
1st number: 1 10/20, 2nd number: 3 1/16
30/20 - 49/16 is -25/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 20 × 4 = 80,
30/20 = 30 × 4/20 × 4 = 120/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
49/16 = 49 × 5/16 × 5 = 245/80 - Subtract the two like fractions:
120/80 - 245/80 = 120 - 245/80 = -125/80 - After reducing the fraction, the answer is -25/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/20-49/16 30/20-98/16 30/40-49/16 30/20-49/32 90/20-49/16 30/60-49/16 30/20-49/48 30/20-49/80