Add 56/21 and 14/45
1st number: 2 14/21, 2nd number: 14/45
56/21 + 14/45 is 134/45.
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,
56/21 = 56 × 15/21 × 15 = 840/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
14/45 = 14 × 7/45 × 7 = 98/315 - Add the two like fractions:
840/315 + 98/315 = 840 + 98/315 = 938/315 - 938/315 simplified gives 134/45
- So, 56/21 + 14/45 = 134/45
In mixed form: 244/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/21+28/45 56/42+14/45 56/21+14/90 56/21+42/45 56/63+14/45 56/21+70/45 56/21+98/45