Add 21/28 and 30/96
21/28 + 30/96 is 17/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 96 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 28 × 24 = 672,
21/28 = 21 × 24/28 × 24 = 504/672 - Likewise, for the 2nd fraction, since 96 × 7 = 672,
30/96 = 30 × 7/96 × 7 = 210/672 - Add the two like fractions:
504/672 + 210/672 = 504 + 210/672 = 714/672 - 714/672 simplified gives 17/16
- So, 21/28 + 30/96 = 17/16
In mixed form: 11/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/28+30/96 21/28+60/96 21/56+30/96 63/28+30/96 21/28+90/96 21/84+30/96