Subtract 42/24 from 30/49
1st number: 30/49, 2nd number: 1 18/24
30/49 - 42/24 is -223/196.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 24 is 1176
Next, find the equivalent fraction of both fractional numbers with denominator 1176 - For the 1st fraction, since 49 × 24 = 1176,
30/49 = 30 × 24/49 × 24 = 720/1176 - Likewise, for the 2nd fraction, since 24 × 49 = 1176,
42/24 = 42 × 49/24 × 49 = 2058/1176 - Subtract the two like fractions:
720/1176 - 2058/1176 = 720 - 2058/1176 = -1338/1176 - After reducing the fraction, the answer is -223/196
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/49-42/24 30/49-84/24 30/98-42/24 30/49-42/48 90/49-42/24 30/49-42/72