Subtract 32/10 from 18/49
1st number: 18/49, 2nd number: 3 2/10
18/49 - 32/10 is -694/245.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 10 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 49 × 10 = 490,
18/49 = 18 × 10/49 × 10 = 180/490 - Likewise, for the 2nd fraction, since 10 × 49 = 490,
32/10 = 32 × 49/10 × 49 = 1568/490 - Subtract the two like fractions:
180/490 - 1568/490 = 180 - 1568/490 = -1388/490 - After reducing the fraction, the answer is -694/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/49-32/10 18/49-64/10 18/98-32/10 18/49-32/20 54/49-32/10 18/49-96/10 18/49-32/30 90/49-32/10 18/49-32/50 18/49-32/70