Add 70/8 and 9/12
1st number: 8 6/8, 2nd number: 9/12
70/8 + 9/12 is 19/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 12 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 8 × 3 = 24,
70/8 = 70 × 3/8 × 3 = 210/24 - Likewise, for the 2nd fraction, since 12 × 2 = 24,
9/12 = 9 × 2/12 × 2 = 18/24 - Add the two like fractions:
210/24 + 18/24 = 210 + 18/24 = 228/24 - 228/24 simplified gives 19/2
- So, 70/8 + 9/12 = 19/2
In mixed form: 91/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/8+18/12 70/16+9/12 70/8+9/24 70/8+27/12 70/24+9/12 70/8+9/36 70/8+45/12 70/40+9/12 70/8+9/60 70/8+63/12 70/56+9/12 70/8+9/84