Add 24/21 and 14/45
1st number: 1 3/21, 2nd number: 14/45
24/21 + 14/45 is 458/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 21 × 15 = 315,
24/21 = 24 × 15/21 × 15 = 360/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
14/45 = 14 × 7/45 × 7 = 98/315 - Add the two like fractions:
360/315 + 98/315 = 360 + 98/315 = 458/315 - So, 24/21 + 14/45 = 458/315
In mixed form: 1143/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/21+14/45 24/21+28/45 24/42+14/45 24/21+14/90 72/21+14/45 24/21+42/45 24/63+14/45 24/21+70/45 24/21+98/45