Add 18/5 and 63/14
1st number: 3 3/5, 2nd number: 4 7/14
18/5 + 63/14 is 81/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 14 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 5 × 14 = 70,
18/5 = 18 × 14/5 × 14 = 252/70 - Likewise, for the 2nd fraction, since 14 × 5 = 70,
63/14 = 63 × 5/14 × 5 = 315/70 - Add the two like fractions:
252/70 + 315/70 = 252 + 315/70 = 567/70 - 567/70 simplified gives 81/10
- So, 18/5 + 63/14 = 81/10
In mixed form: 81/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/5+63/14 18/10+63/14 18/5+63/28 54/5+63/14 18/15+63/14 18/5+63/42 90/5+63/14 18/25+63/14 18/5+63/70 18/35+63/14 18/5+63/98