Add 90/30 and 45/5
1st number: 3 0/30, 2nd number: 9 0/5
90/30 + 45/5 is 12/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 5 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
90/30 = 90 × 1/30 × 1 = 90/30 - Likewise, for the 2nd fraction, since 5 × 6 = 30,
45/5 = 45 × 6/5 × 6 = 270/30 - Add the two like fractions:
90/30 + 270/30 = 90 + 270/30 = 360/30 - 360/30 simplified gives 12/1
- So, 90/30 + 45/5 = 12/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/30+90/5 90/60+45/5 90/30+45/10 90/30+45/15 90/30+45/25 90/30+45/35