Add 40/5 and 75/30
1st number: 8 0/5, 2nd number: 2 15/30
40/5 + 75/30 is 21/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 5 × 6 = 30,
40/5 = 40 × 6/5 × 6 = 240/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
75/30 = 75 × 1/30 × 1 = 75/30 - Add the two like fractions:
240/30 + 75/30 = 240 + 75/30 = 315/30 - 315/30 simplified gives 21/2
- So, 40/5 + 75/30 = 21/2
In mixed form: 101/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/5+75/30 40/10+75/30 40/5+75/60 40/15+75/30 40/5+75/90 40/25+75/30 40/35+75/30