Add 20/21 and 20/96
20/21 + 20/96 is 65/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 96 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 21 × 32 = 672,
20/21 = 20 × 32/21 × 32 = 640/672 - Likewise, for the 2nd fraction, since 96 × 7 = 672,
20/96 = 20 × 7/96 × 7 = 140/672 - Add the two like fractions:
640/672 + 140/672 = 640 + 140/672 = 780/672 - 780/672 simplified gives 65/56
- So, 20/21 + 20/96 = 65/56
In mixed form: 19/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/21+20/96 20/21+40/96 20/42+20/96 60/21+20/96 20/21+60/96 20/63+20/96