Add 75/30 and 36/40
1st number: 2 15/30, 2nd number: 36/40
75/30 + 36/40 is 17/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
75/30 = 75 × 4/30 × 4 = 300/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
36/40 = 36 × 3/40 × 3 = 108/120 - Add the two like fractions:
300/120 + 108/120 = 300 + 108/120 = 408/120 - 408/120 simplified gives 17/5
- So, 75/30 + 36/40 = 17/5
In mixed form: 32/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/30+72/40 75/60+36/40 75/30+36/80 75/90+36/40