Add 90/5 and 10/40
1st number: 18 0/5, 2nd number: 10/40
90/5 + 10/40 is 73/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 5 × 8 = 40,
90/5 = 90 × 8/5 × 8 = 720/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
10/40 = 10 × 1/40 × 1 = 10/40 - Add the two like fractions:
720/40 + 10/40 = 720 + 10/40 = 730/40 - 730/40 simplified gives 73/4
- So, 90/5 + 10/40 = 73/4
In mixed form: 181/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/5+20/40 90/10+10/40 90/5+10/80 90/5+30/40 90/15+10/40 90/5+50/40 90/25+10/40 90/5+70/40 90/35+10/40