Add 7/21 and 45/96
7/21 + 45/96 is 77/96.
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,
7/21 = 7 × 32/21 × 32 = 224/672 - Likewise, for the 2nd fraction, since 96 × 7 = 672,
45/96 = 45 × 7/96 × 7 = 315/672 - Add the two like fractions:
224/672 + 315/672 = 224 + 315/672 = 539/672 - 539/672 simplified gives 77/96
- So, 7/21 + 45/96 = 77/96
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/21+45/96 7/21+90/96 7/42+45/96 7/63+45/96 35/21+45/96 49/21+45/96