Add 14/45 and 21/8
1st number: 14/45, 2nd number: 2 5/8
14/45 + 21/8 is 1057/360.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 8 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
14/45 = 14 × 8/45 × 8 = 112/360 - Likewise, for the 2nd fraction, since 8 × 45 = 360,
21/8 = 21 × 45/8 × 45 = 945/360 - Add the two like fractions:
112/360 + 945/360 = 112 + 945/360 = 1057/360 - So, 14/45 + 21/8 = 1057/360
In mixed form: 2337/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/45+21/8 14/45+42/8 14/90+21/8 14/45+21/16 42/45+21/8 14/45+63/8 14/45+21/24 70/45+21/8 14/45+21/40 98/45+21/8 14/45+21/56