Add 45/21 and 24/9
1st number: 2 3/21, 2nd number: 2 6/9
45/21 + 24/9 is 101/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 21 × 3 = 63,
45/21 = 45 × 3/21 × 3 = 135/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
24/9 = 24 × 7/9 × 7 = 168/63 - Add the two like fractions:
135/63 + 168/63 = 135 + 168/63 = 303/63 - 303/63 simplified gives 101/21
- So, 45/21 + 24/9 = 101/21
In mixed form: 417/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/21+24/9 45/21+48/9 45/42+24/9 45/21+24/18 45/21+72/9 45/63+24/9 45/21+24/27 45/21+24/45 45/21+24/63