Add 30/4 and 81/24
1st number: 7 2/4, 2nd number: 3 9/24
30/4 + 81/24 is 87/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 24 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 4 × 6 = 24,
30/4 = 30 × 6/4 × 6 = 180/24 - Likewise, for the 2nd fraction, since 24 × 1 = 24,
81/24 = 81 × 1/24 × 1 = 81/24 - Add the two like fractions:
180/24 + 81/24 = 180 + 81/24 = 261/24 - 261/24 simplified gives 87/8
- So, 30/4 + 81/24 = 87/8
In mixed form: 107/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/4+81/24 30/8+81/24 30/4+81/48 90/4+81/24 30/12+81/24 30/4+81/72 30/20+81/24 30/28+81/24