Add 21/42 and 60/96
21/42 + 60/96 is 9/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 96 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 42 × 16 = 672,
21/42 = 21 × 16/42 × 16 = 336/672 - Likewise, for the 2nd fraction, since 96 × 7 = 672,
60/96 = 60 × 7/96 × 7 = 420/672 - Add the two like fractions:
336/672 + 420/672 = 336 + 420/672 = 756/672 - 756/672 simplified gives 9/8
- So, 21/42 + 60/96 = 9/8
In mixed form: 11/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 21/84+60/96 63/42+60/96