Add 40/5 and 45/40
1st number: 8 0/5, 2nd number: 1 5/40
40/5 + 45/40 is 73/8.
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,
45/40 = 45 × 1/40 × 1 = 45/40 - Add the two like fractions:
320/40 + 45/40 = 320 + 45/40 = 365/40 - 365/40 simplified gives 73/8
- So, 40/5 + 45/40 = 73/8
In mixed form: 91/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/5+45/40 40/5+90/40 40/10+45/40 40/5+45/80 40/15+45/40 40/25+45/40 40/35+45/40