Add 14/4 and 21/45
1st number: 3 2/4, 2nd number: 21/45
14/4 + 21/45 is 119/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 4 × 45 = 180,
14/4 = 14 × 45/4 × 45 = 630/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
21/45 = 21 × 4/45 × 4 = 84/180 - Add the two like fractions:
630/180 + 84/180 = 630 + 84/180 = 714/180 - 714/180 simplified gives 119/30
- So, 14/4 + 21/45 = 119/30
In mixed form: 329/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/4+21/45 14/4+42/45 14/8+21/45 14/4+21/90 42/4+21/45 14/4+63/45 14/12+21/45 70/4+21/45 14/20+21/45 98/4+21/45 14/28+21/45