Subtract 49/10 from 28/36
1st number: 28/36, 2nd number: 4 9/10
28/36 - 49/10 is -371/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 10 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
28/36 = 28 × 5/36 × 5 = 140/180 - Likewise, for the 2nd fraction, since 10 × 18 = 180,
49/10 = 49 × 18/10 × 18 = 882/180 - Subtract the two like fractions:
140/180 - 882/180 = 140 - 882/180 = -742/180 - After reducing the fraction, the answer is -371/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/36-49/10 28/36-98/10 28/72-49/10 28/36-49/20 84/36-49/10 28/36-49/30 28/36-49/50 28/36-49/70