Add 12/70 and 70/8
1st number: 12/70, 2nd number: 8 6/8
12/70 + 70/8 is 1249/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 8 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
12/70 = 12 × 4/70 × 4 = 48/280 - Likewise, for the 2nd fraction, since 8 × 35 = 280,
70/8 = 70 × 35/8 × 35 = 2450/280 - Add the two like fractions:
48/280 + 2450/280 = 48 + 2450/280 = 2498/280 - 2498/280 simplified gives 1249/140
- So, 12/70 + 70/8 = 1249/140
In mixed form: 8129/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/70+70/8 12/70+70/16 36/70+70/8 12/70+70/24 60/70+70/8 12/70+70/40 84/70+70/8 12/70+70/56