Add 20/21 and 18/96
20/21 + 18/96 is 383/336.
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,
18/96 = 18 × 7/96 × 7 = 126/672 - Add the two like fractions:
640/672 + 126/672 = 640 + 126/672 = 766/672 - 766/672 simplified gives 383/336
- So, 20/21 + 18/96 = 383/336
In mixed form: 147/336
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/21+18/96 20/21+36/96 20/42+18/96 60/21+18/96 20/21+54/96 20/63+18/96 20/21+90/96