Add 30/8 and 9/72
1st number: 3 6/8, 2nd number: 9/72
30/8 + 9/72 is 31/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
30/8 = 30 × 9/8 × 9 = 270/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
9/72 = 9 × 1/72 × 1 = 9/72 - Add the two like fractions:
270/72 + 9/72 = 270 + 9/72 = 279/72 - 279/72 simplified gives 31/8
- So, 30/8 + 9/72 = 31/8
In mixed form: 37/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/8+9/72 30/8+18/72 30/16+9/72 90/8+9/72 30/8+27/72 30/24+9/72 30/8+45/72 30/40+9/72 30/8+63/72 30/56+9/72