Add 3/5 and 90/40
1st number: 3/5, 2nd number: 2 10/40
3/5 + 90/40 is 57/20.
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,
3/5 = 3 × 8/5 × 8 = 24/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
90/40 = 90 × 1/40 × 1 = 90/40 - Add the two like fractions:
24/40 + 90/40 = 24 + 90/40 = 114/40 - 114/40 simplified gives 57/20
- So, 3/5 + 90/40 = 57/20
In mixed form: 217/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/5+90/40 3/10+90/40 3/5+90/80 9/5+90/40 3/15+90/40 15/5+90/40 3/25+90/40 21/5+90/40 3/35+90/40