Subtract 21/25 from 49/30
1st number: 1 19/30, 2nd number: 21/25
49/30 - 21/25 is 119/150.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 25 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 30 × 5 = 150,
49/30 = 49 × 5/30 × 5 = 245/150 - Likewise, for the 2nd fraction, since 25 × 6 = 150,
21/25 = 21 × 6/25 × 6 = 126/150 - Subtract the two like fractions:
245/150 - 126/150 = 245 - 126/150 = 119/150
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/30-21/25 49/30-42/25 49/60-21/25 49/30-21/50 49/30-63/25 49/90-21/25 49/30-21/75