Add 40/35 and 70/12
1st number: 1 5/35, 2nd number: 5 10/12
40/35 + 70/12 is 293/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 12 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 35 × 12 = 420,
40/35 = 40 × 12/35 × 12 = 480/420 - Likewise, for the 2nd fraction, since 12 × 35 = 420,
70/12 = 70 × 35/12 × 35 = 2450/420 - Add the two like fractions:
480/420 + 2450/420 = 480 + 2450/420 = 2930/420 - 2930/420 simplified gives 293/42
- So, 40/35 + 70/12 = 293/42
In mixed form: 641/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/35+70/12 40/70+70/12 40/35+70/24 40/35+70/36 40/35+70/60 40/35+70/84