Add 75/4 and 12/40
1st number: 18 3/4, 2nd number: 12/40
75/4 + 12/40 is 381/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 4 × 10 = 40,
75/4 = 75 × 10/4 × 10 = 750/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
12/40 = 12 × 1/40 × 1 = 12/40 - Add the two like fractions:
750/40 + 12/40 = 750 + 12/40 = 762/40 - 762/40 simplified gives 381/20
- So, 75/4 + 12/40 = 381/20
In mixed form: 191/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/4+24/40 75/8+12/40 75/4+12/80 75/4+36/40 75/12+12/40 75/4+60/40 75/20+12/40 75/4+84/40 75/28+12/40