Add 75/12 and 18/40
1st number: 6 3/12, 2nd number: 18/40
75/12 + 18/40 is 67/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 12 × 10 = 120,
75/12 = 75 × 10/12 × 10 = 750/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
18/40 = 18 × 3/40 × 3 = 54/120 - Add the two like fractions:
750/120 + 54/120 = 750 + 54/120 = 804/120 - 804/120 simplified gives 67/10
- So, 75/12 + 18/40 = 67/10
In mixed form: 67/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/12+36/40 75/24+18/40 75/12+18/80 75/12+54/40 75/36+18/40 75/12+90/40 75/60+18/40 75/84+18/40