Add 40/70 and 6/4
1st number: 40/70, 2nd number: 1 2/4
40/70 + 6/4 is 29/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 4 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
40/70 = 40 × 2/70 × 2 = 80/140 - Likewise, for the 2nd fraction, since 4 × 35 = 140,
6/4 = 6 × 35/4 × 35 = 210/140 - Add the two like fractions:
80/140 + 210/140 = 80 + 210/140 = 290/140 - 290/140 simplified gives 29/14
- So, 40/70 + 6/4 = 29/14
In mixed form: 21/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/70+6/4 40/70+12/4 40/70+6/8 40/70+18/4 40/70+6/12 40/70+30/4 40/70+6/20 40/70+42/4 40/70+6/28