Add 28/60 and 8/54
28/60 + 8/54 is 83/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 54 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 60 × 9 = 540,
28/60 = 28 × 9/60 × 9 = 252/540 - Likewise, for the 2nd fraction, since 54 × 10 = 540,
8/54 = 8 × 10/54 × 10 = 80/540 - Add the two like fractions:
252/540 + 80/540 = 252 + 80/540 = 332/540 - 332/540 simplified gives 83/135
- So, 28/60 + 8/54 = 83/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/60+8/54 28/60+16/54 84/60+8/54 28/60+24/54 28/60+40/54 28/60+56/54