Add 7/2 and 40/70
1st number: 3 1/2, 2nd number: 40/70
7/2 + 40/70 is 57/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 2 × 35 = 70,
7/2 = 7 × 35/2 × 35 = 245/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
40/70 = 40 × 1/70 × 1 = 40/70 - Add the two like fractions:
245/70 + 40/70 = 245 + 40/70 = 285/70 - 285/70 simplified gives 57/14
- So, 7/2 + 40/70 = 57/14
In mixed form: 41/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/2+40/70 7/2+80/70 7/4+40/70 21/2+40/70 7/6+40/70 35/2+40/70 7/10+40/70 49/2+40/70 7/14+40/70