Add 30/8 and 63/4
1st number: 3 6/8, 2nd number: 15 3/4
30/8 + 63/4 is 39/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 4 is 8
Next, find the equivalent fraction of both fractional numbers with denominator 8 - For the 1st fraction, since 8 × 1 = 8,
30/8 = 30 × 1/8 × 1 = 30/8 - Likewise, for the 2nd fraction, since 4 × 2 = 8,
63/4 = 63 × 2/4 × 2 = 126/8 - Add the two like fractions:
30/8 + 126/8 = 30 + 126/8 = 156/8 - 156/8 simplified gives 39/2
- So, 30/8 + 63/4 = 39/2
In mixed form: 191/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/8+63/4 30/16+63/4 30/8+63/8 90/8+63/4 30/24+63/4 30/8+63/12 30/40+63/4 30/8+63/20 30/56+63/4 30/8+63/28