Subtract 27/40 from 49/30
1st number: 1 19/30, 2nd number: 27/40
49/30 - 27/40 is 23/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
49/30 = 49 × 4/30 × 4 = 196/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
27/40 = 27 × 3/40 × 3 = 81/120 - Subtract the two like fractions:
196/120 - 81/120 = 196 - 81/120 = 115/120 - After reducing the fraction, the answer is 23/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/30-27/40 49/30-54/40 49/60-27/40 49/30-27/80 49/30-81/40 49/90-27/40