Add 12/20 and 90/14
1st number: 12/20, 2nd number: 6 6/14
12/20 + 90/14 is 246/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 14 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
12/20 = 12 × 7/20 × 7 = 84/140 - Likewise, for the 2nd fraction, since 14 × 10 = 140,
90/14 = 90 × 10/14 × 10 = 900/140 - Add the two like fractions:
84/140 + 900/140 = 84 + 900/140 = 984/140 - 984/140 simplified gives 246/35
- So, 12/20 + 90/14 = 246/35
In mixed form: 71/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/20+90/14 12/40+90/14 12/20+90/28 36/20+90/14 12/60+90/14 12/20+90/42 60/20+90/14 12/20+90/70 84/20+90/14 12/20+90/98