Subtract 49/70 from 8/16
8/16 - 49/70 is -1/5.
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,
8/16 = 8 × 35/16 × 35 = 280/560 - Likewise, for the 2nd fraction, since 70 × 8 = 560,
49/70 = 49 × 8/70 × 8 = 392/560 - Subtract the two like fractions:
280/560 - 392/560 = 280 - 392/560 = -112/560 - After reducing the fraction, the answer is -1/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/16-98/70 8/32-49/70 24/16-49/70 8/48-49/70 40/16-49/70 8/80-49/70 56/16-49/70