Add 45/40 and 75/6
1st number: 1 5/40, 2nd number: 12 3/6
45/40 + 75/6 is 109/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 6 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
45/40 = 45 × 3/40 × 3 = 135/120 - Likewise, for the 2nd fraction, since 6 × 20 = 120,
75/6 = 75 × 20/6 × 20 = 1500/120 - Add the two like fractions:
135/120 + 1500/120 = 135 + 1500/120 = 1635/120 - 1635/120 simplified gives 109/8
- So, 45/40 + 75/6 = 109/8
In mixed form: 135/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/40+75/6 45/80+75/6 45/40+75/12 45/40+75/18 45/40+75/30 45/40+75/42