Add 28/54 and 8/45
28/54 + 8/45 is 94/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 45 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
28/54 = 28 × 5/54 × 5 = 140/270 - Likewise, for the 2nd fraction, since 45 × 6 = 270,
8/45 = 8 × 6/45 × 6 = 48/270 - Add the two like fractions:
140/270 + 48/270 = 140 + 48/270 = 188/270 - 188/270 simplified gives 94/135
- So, 28/54 + 8/45 = 94/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/54+8/45 28/54+16/45 28/54+8/90 84/54+8/45 28/54+24/45 28/54+40/45 28/54+56/45