Add 90/5 and 75/30
1st number: 18 0/5, 2nd number: 2 15/30
90/5 + 75/30 is 41/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 5 × 6 = 30,
90/5 = 90 × 6/5 × 6 = 540/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
75/30 = 75 × 1/30 × 1 = 75/30 - Add the two like fractions:
540/30 + 75/30 = 540 + 75/30 = 615/30 - 615/30 simplified gives 41/2
- So, 90/5 + 75/30 = 41/2
In mixed form: 201/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/10+75/30 90/5+75/60 90/15+75/30 90/5+75/90 90/25+75/30 90/35+75/30