Add 75/5 and 90/8
1st number: 15 0/5, 2nd number: 11 2/8
75/5 + 90/8 is 105/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 5 × 8 = 40,
75/5 = 75 × 8/5 × 8 = 600/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
90/8 = 90 × 5/8 × 5 = 450/40 - Add the two like fractions:
600/40 + 450/40 = 600 + 450/40 = 1050/40 - 1050/40 simplified gives 105/4
- So, 75/5 + 90/8 = 105/4
In mixed form: 261/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/10+90/8 75/5+90/16 75/15+90/8 75/5+90/24 75/25+90/8 75/5+90/40 75/35+90/8 75/5+90/56