Add 84/54 and 14/20
1st number: 1 30/54, 2nd number: 14/20
84/54 + 14/20 is 203/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 20 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 54 × 10 = 540,
84/54 = 84 × 10/54 × 10 = 840/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
14/20 = 14 × 27/20 × 27 = 378/540 - Add the two like fractions:
840/540 + 378/540 = 840 + 378/540 = 1218/540 - 1218/540 simplified gives 203/90
- So, 84/54 + 14/20 = 203/90
In mixed form: 223/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/54+28/20 84/54+14/40 84/54+42/20 84/54+14/60 84/54+70/20 84/54+98/20