Subtract 3/40 from 49/30
1st number: 1 19/30, 2nd number: 3/40
49/30 - 3/40 is 187/120.
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,
3/40 = 3 × 3/40 × 3 = 9/120 - Subtract the two like fractions:
196/120 - 9/120 = 196 - 9/120 = 187/120 - In mixed form: 167/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/30-3/40 49/30-6/40 49/60-3/40 49/30-3/80 49/30-9/40 49/90-3/40 49/30-15/40 49/30-21/40