Add 75/10 and 18/40
1st number: 7 5/10, 2nd number: 18/40
75/10 + 18/40 is 159/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 10 × 4 = 40,
75/10 = 75 × 4/10 × 4 = 300/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
18/40 = 18 × 1/40 × 1 = 18/40 - Add the two like fractions:
300/40 + 18/40 = 300 + 18/40 = 318/40 - 318/40 simplified gives 159/20
- So, 75/10 + 18/40 = 159/20
In mixed form: 719/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/10+36/40 75/20+18/40 75/10+18/80 75/10+54/40 75/30+18/40 75/10+90/40 75/50+18/40 75/70+18/40