Add 36/20 and 90/25
1st number: 1 16/20, 2nd number: 3 15/25
36/20 + 90/25 is 27/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 25 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 20 × 5 = 100,
36/20 = 36 × 5/20 × 5 = 180/100 - Likewise, for the 2nd fraction, since 25 × 4 = 100,
90/25 = 90 × 4/25 × 4 = 360/100 - Add the two like fractions:
180/100 + 360/100 = 180 + 360/100 = 540/100 - 540/100 simplified gives 27/5
- So, 36/20 + 90/25 = 27/5
In mixed form: 52/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/20+90/25 36/40+90/25 36/20+90/50 36/60+90/25 36/20+90/75