Add 84/20 and 12/14
1st number: 4 4/20, 2nd number: 12/14
84/20 + 12/14 is 177/35.
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,
84/20 = 84 × 7/20 × 7 = 588/140 - Likewise, for the 2nd fraction, since 14 × 10 = 140,
12/14 = 12 × 10/14 × 10 = 120/140 - Add the two like fractions:
588/140 + 120/140 = 588 + 120/140 = 708/140 - 708/140 simplified gives 177/35
- So, 84/20 + 12/14 = 177/35
In mixed form: 52/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/20+24/14 84/40+12/14 84/20+12/28 84/20+36/14 84/60+12/14 84/20+12/42 84/20+60/14 84/20+12/70 84/20+84/14 84/20+12/98