Subtract 49/10 from 30/16
1st number: 1 14/16, 2nd number: 4 9/10
30/16 - 49/10 is -121/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 10 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
30/16 = 30 × 5/16 × 5 = 150/80 - Likewise, for the 2nd fraction, since 10 × 8 = 80,
49/10 = 49 × 8/10 × 8 = 392/80 - Subtract the two like fractions:
150/80 - 392/80 = 150 - 392/80 = -242/80 - After reducing the fraction, the answer is -121/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/16-49/10 30/16-98/10 30/32-49/10 30/16-49/20 90/16-49/10 30/48-49/10 30/16-49/30 30/80-49/10 30/16-49/50 30/16-49/70