Add 84/54 and 8/20
1st number: 1 30/54, 2nd number: 8/20
84/54 + 8/20 is 88/45.
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,
8/20 = 8 × 27/20 × 27 = 216/540 - Add the two like fractions:
840/540 + 216/540 = 840 + 216/540 = 1056/540 - 1056/540 simplified gives 88/45
- So, 84/54 + 8/20 = 88/45
In mixed form: 143/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/54+16/20 84/54+8/40 84/54+24/20 84/54+8/60 84/54+40/20 84/54+56/20