Add 12/70 and 40/7
1st number: 12/70, 2nd number: 5 5/7
12/70 + 40/7 is 206/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 7 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 7 × 10 = 70,
40/7 = 40 × 10/7 × 10 = 400/70 - Add the two like fractions:
12/70 + 400/70 = 12 + 400/70 = 412/70 - 412/70 simplified gives 206/35
- So, 12/70 + 40/7 = 206/35
In mixed form: 531/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/70+40/7 12/70+80/7 12/70+40/14 36/70+40/7 12/70+40/21 60/70+40/7 12/70+40/35 84/70+40/7 12/70+40/49