Add 5/90 and 70/75
5/90 + 70/75 is 89/90.
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,
5/90 = 5 × 5/90 × 5 = 25/450 - Likewise, for the 2nd fraction, since 75 × 6 = 450,
70/75 = 70 × 6/75 × 6 = 420/450 - Add the two like fractions:
25/450 + 420/450 = 25 + 420/450 = 445/450 - 445/450 simplified gives 89/90
- So, 5/90 + 70/75 = 89/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/90+70/75 15/90+70/75 25/90+70/75 35/90+70/75