Add 40/70 and 36/24
1st number: 40/70, 2nd number: 1 12/24
40/70 + 36/24 is 29/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 24 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 70 × 12 = 840,
40/70 = 40 × 12/70 × 12 = 480/840 - Likewise, for the 2nd fraction, since 24 × 35 = 840,
36/24 = 36 × 35/24 × 35 = 1260/840 - Add the two like fractions:
480/840 + 1260/840 = 480 + 1260/840 = 1740/840 - 1740/840 simplified gives 29/14
- So, 40/70 + 36/24 = 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+36/24 40/70+72/24 40/70+36/48 40/70+36/72