Subtract 70/16 from 2/42
1st number: 2/42, 2nd number: 4 6/16
2/42 - 70/16 is -727/168.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 16 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 42 × 8 = 336,
2/42 = 2 × 8/42 × 8 = 16/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
70/16 = 70 × 21/16 × 21 = 1470/336 - Subtract the two like fractions:
16/336 - 1470/336 = 16 - 1470/336 = -1454/336 - After reducing the fraction, the answer is -727/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/42-70/16 2/84-70/16 2/42-70/32 6/42-70/16 2/42-70/48 10/42-70/16 2/42-70/80 14/42-70/16