Subtract 28/70 from 2/16
2/16 - 28/70 is -11/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 70 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 16 × 35 = 560,
2/16 = 2 × 35/16 × 35 = 70/560 - Likewise, for the 2nd fraction, since 70 × 8 = 560,
28/70 = 28 × 8/70 × 8 = 224/560 - Subtract the two like fractions:
70/560 - 224/560 = 70 - 224/560 = -154/560 - After reducing the fraction, the answer is -11/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/16-28/70 2/16-56/70 2/32-28/70 6/16-28/70 2/16-84/70 2/48-28/70 10/16-28/70 2/80-28/70 14/16-28/70