Add 12/70 and 4/3
1st number: 12/70, 2nd number: 1 1/3
12/70 + 4/3 is 158/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 3 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
12/70 = 12 × 3/70 × 3 = 36/210 - Likewise, for the 2nd fraction, since 3 × 70 = 210,
4/3 = 4 × 70/3 × 70 = 280/210 - Add the two like fractions:
36/210 + 280/210 = 36 + 280/210 = 316/210 - 316/210 simplified gives 158/105
- So, 12/70 + 4/3 = 158/105
In mixed form: 153/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/70+4/3 12/70+8/3 12/70+4/6 36/70+4/3 12/70+12/3 12/70+4/9 60/70+4/3 12/70+20/3 12/70+4/15 84/70+4/3 12/70+28/3 12/70+4/21