Add 36/20 and 45/40
1st number: 1 16/20, 2nd number: 1 5/40
36/20 + 45/40 is 117/40.
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,
36/20 = 36 × 2/20 × 2 = 72/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
45/40 = 45 × 1/40 × 1 = 45/40 - Add the two like fractions:
72/40 + 45/40 = 72 + 45/40 = 117/40 - So, 36/20 + 45/40 = 117/40
In mixed form: 237/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/20+45/40 36/20+90/40 36/40+45/40 36/20+45/80 36/60+45/40