Subtract 63/70 from 3/16
3/16 - 63/70 is -57/80.
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,
3/16 = 3 × 35/16 × 35 = 105/560 - Likewise, for the 2nd fraction, since 70 × 8 = 560,
63/70 = 63 × 8/70 × 8 = 504/560 - Subtract the two like fractions:
105/560 - 504/560 = 105 - 504/560 = -399/560 - After reducing the fraction, the answer is -57/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/16-63/70 3/32-63/70 9/16-63/70 3/48-63/70 15/16-63/70 3/80-63/70 21/16-63/70