Add 40/5 and 15/40
1st number: 8 0/5, 2nd number: 15/40
40/5 + 15/40 is 67/8.
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,
40/5 = 40 × 8/5 × 8 = 320/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
15/40 = 15 × 1/40 × 1 = 15/40 - Add the two like fractions:
320/40 + 15/40 = 320 + 15/40 = 335/40 - 335/40 simplified gives 67/8
- So, 40/5 + 15/40 = 67/8
In mixed form: 83/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/5+15/40 40/5+30/40 40/10+15/40 40/5+15/80 40/5+45/40 40/15+15/40 40/5+75/40 40/25+15/40 40/35+15/40