Add 45/21 and 14/4
1st number: 2 3/21, 2nd number: 3 2/4
45/21 + 14/4 is 79/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 4 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 21 × 4 = 84,
45/21 = 45 × 4/21 × 4 = 180/84 - Likewise, for the 2nd fraction, since 4 × 21 = 84,
14/4 = 14 × 21/4 × 21 = 294/84 - Add the two like fractions:
180/84 + 294/84 = 180 + 294/84 = 474/84 - 474/84 simplified gives 79/14
- So, 45/21 + 14/4 = 79/14
In mixed form: 59/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/21+14/4 45/21+28/4 45/42+14/4 45/21+14/8 45/21+42/4 45/63+14/4 45/21+14/12 45/21+70/4 45/21+14/20 45/21+98/4 45/21+14/28