Add 12/70 and 9/5
1st number: 12/70, 2nd number: 1 4/5
12/70 + 9/5 is 69/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 5 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
12/70 = 12 × 1/70 × 1 = 12/70 - Likewise, for the 2nd fraction, since 5 × 14 = 70,
9/5 = 9 × 14/5 × 14 = 126/70 - Add the two like fractions:
12/70 + 126/70 = 12 + 126/70 = 138/70 - 138/70 simplified gives 69/35
- So, 12/70 + 9/5 = 69/35
In mixed form: 134/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/70+9/5 12/70+18/5 12/70+9/10 36/70+9/5 12/70+27/5 12/70+9/15 60/70+9/5 12/70+45/5 12/70+9/25 84/70+9/5 12/70+63/5 12/70+9/35