Add 75/35 and 40/12
1st number: 2 5/35, 2nd number: 3 4/12
75/35 + 40/12 is 115/21.
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,
75/35 = 75 × 12/35 × 12 = 900/420 - Likewise, for the 2nd fraction, since 12 × 35 = 420,
40/12 = 40 × 35/12 × 35 = 1400/420 - Add the two like fractions:
900/420 + 1400/420 = 900 + 1400/420 = 2300/420 - 2300/420 simplified gives 115/21
- So, 75/35 + 40/12 = 115/21
In mixed form: 510/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/35+80/12 75/70+40/12 75/35+40/24 75/35+40/36 75/35+40/60 75/35+40/84