Add 60/90 and 20/75
60/90 + 20/75 is 14/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 75 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 90 × 5 = 450,
60/90 = 60 × 5/90 × 5 = 300/450 - Likewise, for the 2nd fraction, since 75 × 6 = 450,
20/75 = 20 × 6/75 × 6 = 120/450 - Add the two like fractions:
300/450 + 120/450 = 300 + 120/450 = 420/450 - 420/450 simplified gives 14/15
- So, 60/90 + 20/75 = 14/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/90+40/75 60/90+60/75