Add 63/2 and 15/42
1st number: 31 1/2, 2nd number: 15/42
63/2 + 15/42 is 223/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 2 × 21 = 42,
63/2 = 63 × 21/2 × 21 = 1323/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
15/42 = 15 × 1/42 × 1 = 15/42 - Add the two like fractions:
1323/42 + 15/42 = 1323 + 15/42 = 1338/42 - 1338/42 simplified gives 223/7
- So, 63/2 + 15/42 = 223/7
In mixed form: 316/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/2+30/42 63/4+15/42 63/2+15/84 63/2+45/42 63/6+15/42 63/2+75/42 63/10+15/42 63/14+15/42