Add 14/5 and 21/56
1st number: 2 4/5, 2nd number: 21/56
14/5 + 21/56 is 127/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 5 × 56 = 280,
14/5 = 14 × 56/5 × 56 = 784/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
21/56 = 21 × 5/56 × 5 = 105/280 - Add the two like fractions:
784/280 + 105/280 = 784 + 105/280 = 889/280 - 889/280 simplified gives 127/40
- So, 14/5 + 21/56 = 127/40
In mixed form: 37/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/5+21/56 14/5+42/56 14/10+21/56 42/5+21/56 14/5+63/56 14/15+21/56 70/5+21/56 14/25+21/56 98/5+21/56 14/35+21/56