Add 90/80 and 15/32
1st number: 1 10/80, 2nd number: 15/32
90/80 + 15/32 is 51/32.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 32 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 80 × 2 = 160,
90/80 = 90 × 2/80 × 2 = 180/160 - Likewise, for the 2nd fraction, since 32 × 5 = 160,
15/32 = 15 × 5/32 × 5 = 75/160 - Add the two like fractions:
180/160 + 75/160 = 180 + 75/160 = 255/160 - 255/160 simplified gives 51/32
- So, 90/80 + 15/32 = 51/32
In mixed form: 119/32
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/80+30/32 90/80+15/64 90/80+45/32 90/80+15/96 90/80+75/32