Add 40/70 and 3/7
40/70 + 3/7 is 1/1.
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,
40/70 = 40 × 1/70 × 1 = 40/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
3/7 = 3 × 10/7 × 10 = 30/70 - Add the two like fractions:
40/70 + 30/70 = 40 + 30/70 = 70/70 - 70/70 simplified gives 1/1
- So, 40/70 + 3/7 = 1/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/70+3/7 40/70+6/7 40/70+3/14 40/70+9/7 40/70+3/21 40/70+15/7 40/70+3/35 40/70+21/7 40/70+3/49