Add 1/12 and 40/70
1/12 + 40/70 is 55/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 70 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 12 × 35 = 420,
1/12 = 1 × 35/12 × 35 = 35/420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,
40/70 = 40 × 6/70 × 6 = 240/420 - Add the two like fractions:
35/420 + 240/420 = 35 + 240/420 = 275/420 - 275/420 simplified gives 55/84
- So, 1/12 + 40/70 = 55/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/12+40/70 1/12+80/70 1/24+40/70 3/12+40/70 1/36+40/70 5/12+40/70 1/60+40/70 7/12+40/70 1/84+40/70