Add 10/5 and 75/40
1st number: 2 0/5, 2nd number: 1 35/40
10/5 + 75/40 is 31/8.
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,
10/5 = 10 × 8/5 × 8 = 80/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
75/40 = 75 × 1/40 × 1 = 75/40 - Add the two like fractions:
80/40 + 75/40 = 80 + 75/40 = 155/40 - 155/40 simplified gives 31/8
- So, 10/5 + 75/40 = 31/8
In mixed form: 37/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/5+75/40 10/5+75/80 30/5+75/40 10/15+75/40 50/5+75/40 10/25+75/40 70/5+75/40 10/35+75/40