Add 9/30 and 84/8
1st number: 9/30, 2nd number: 10 4/8
9/30 + 84/8 is 54/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
9/30 = 9 × 4/30 × 4 = 36/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
84/8 = 84 × 15/8 × 15 = 1260/120 - Add the two like fractions:
36/120 + 1260/120 = 36 + 1260/120 = 1296/120 - 1296/120 simplified gives 54/5
- So, 9/30 + 84/8 = 54/5
In mixed form: 104/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/30+84/8 9/60+84/8 9/30+84/16 27/30+84/8 9/90+84/8 9/30+84/24 45/30+84/8 9/30+84/40 63/30+84/8 9/30+84/56