Add 28/4 and 9/30
1st number: 7 0/4, 2nd number: 9/30
28/4 + 9/30 is 73/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 4 × 15 = 60,
28/4 = 28 × 15/4 × 15 = 420/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
9/30 = 9 × 2/30 × 2 = 18/60 - Add the two like fractions:
420/60 + 18/60 = 420 + 18/60 = 438/60 - 438/60 simplified gives 73/10
- So, 28/4 + 9/30 = 73/10
In mixed form: 73/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/4+9/30 28/4+18/30 28/8+9/30 28/4+9/60 84/4+9/30 28/4+27/30 28/12+9/30 28/4+9/90 28/4+45/30 28/20+9/30 28/4+63/30