Add 35/20 and 75/40
1st number: 1 15/20, 2nd number: 1 35/40
35/20 + 75/40 is 29/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 20 × 2 = 40,
35/20 = 35 × 2/20 × 2 = 70/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
75/40 = 75 × 1/40 × 1 = 75/40 - Add the two like fractions:
70/40 + 75/40 = 70 + 75/40 = 145/40 - 145/40 simplified gives 29/8
- So, 35/20 + 75/40 = 29/8
In mixed form: 35/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/20+75/40 35/40+75/40 35/20+75/80 35/60+75/40