Add 3/30 and 45/90
3/30 + 45/90 is 3/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
3/30 = 3 × 3/30 × 3 = 9/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
45/90 = 45 × 1/90 × 1 = 45/90 - Add the two like fractions:
9/90 + 45/90 = 9 + 45/90 = 54/90 - 54/90 simplified gives 3/5
- So, 3/30 + 45/90 = 3/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/30+45/90 3/60+45/90 9/30+45/90 3/90+45/90 15/30+45/90 21/30+45/90