Add 20/54 and 8/10
20/54 + 8/10 is 158/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 10 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
20/54 = 20 × 5/54 × 5 = 100/270 - Likewise, for the 2nd fraction, since 10 × 27 = 270,
8/10 = 8 × 27/10 × 27 = 216/270 - Add the two like fractions:
100/270 + 216/270 = 100 + 216/270 = 316/270 - 316/270 simplified gives 158/135
- So, 20/54 + 8/10 = 158/135
In mixed form: 123/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/54+8/10 20/54+16/10 20/54+8/20 60/54+8/10 20/54+24/10 20/54+8/30 20/54+40/10 20/54+8/50 20/54+56/10 20/54+8/70