Add 50/20 and 90/15
1st number: 2 10/20, 2nd number: 6 0/15
50/20 + 90/15 is 17/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
50/20 = 50 × 3/20 × 3 = 150/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
90/15 = 90 × 4/15 × 4 = 360/60 - Add the two like fractions:
150/60 + 360/60 = 150 + 360/60 = 510/60 - 510/60 simplified gives 17/2
- So, 50/20 + 90/15 = 17/2
In mixed form: 81/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/40+90/15 50/20+90/30 50/60+90/15 50/20+90/45 50/20+90/75