Subtract 40/42 from 16/75
16/75 - 40/42 is -388/525.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 42 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 75 × 14 = 1050,
16/75 = 16 × 14/75 × 14 = 224/1050 - Likewise, for the 2nd fraction, since 42 × 25 = 1050,
40/42 = 40 × 25/42 × 25 = 1000/1050 - Subtract the two like fractions:
224/1050 - 1000/1050 = 224 - 1000/1050 = -776/1050 - After reducing the fraction, the answer is -388/525
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/75-40/42 16/75-80/42 16/75-40/84 48/75-40/42 80/75-40/42