Subtract 75/49 from 12/40
1st number: 12/40, 2nd number: 1 26/49
12/40 - 75/49 is -603/490.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 49 is 1960
Next, find the equivalent fraction of both fractional numbers with denominator 1960 - For the 1st fraction, since 40 × 49 = 1960,
12/40 = 12 × 49/40 × 49 = 588/1960 - Likewise, for the 2nd fraction, since 49 × 40 = 1960,
75/49 = 75 × 40/49 × 40 = 3000/1960 - Subtract the two like fractions:
588/1960 - 3000/1960 = 588 - 3000/1960 = -2412/1960 - After reducing the fraction, the answer is -603/490
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/40-75/49 12/80-75/49 12/40-75/98 36/40-75/49 60/40-75/49 84/40-75/49