Add 10/21 and 20/96
10/21 + 20/96 is 115/168.
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,
10/21 = 10 × 32/21 × 32 = 320/672 - Likewise, for the 2nd fraction, since 96 × 7 = 672,
20/96 = 20 × 7/96 × 7 = 140/672 - Add the two like fractions:
320/672 + 140/672 = 320 + 140/672 = 460/672 - 460/672 simplified gives 115/168
- So, 10/21 + 20/96 = 115/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/21+20/96 10/21+40/96 10/42+20/96 30/21+20/96 10/21+60/96 10/63+20/96 50/21+20/96 70/21+20/96