Add 6/90 and 45/30
1st number: 6/90, 2nd number: 1 15/30
6/90 + 45/30 is 47/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
6/90 = 6 × 1/90 × 1 = 6/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
45/30 = 45 × 3/30 × 3 = 135/90 - Add the two like fractions:
6/90 + 135/90 = 6 + 135/90 = 141/90 - 141/90 simplified gives 47/30
- So, 6/90 + 45/30 = 47/30
In mixed form: 117/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/90+45/30 6/90+90/30 6/90+45/60 18/90+45/30 6/90+45/90 30/90+45/30 42/90+45/30