Add 90/20 and 5/32
1st number: 4 10/20, 2nd number: 5/32
90/20 + 5/32 is 149/32.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 32 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 20 × 8 = 160,
90/20 = 90 × 8/20 × 8 = 720/160 - Likewise, for the 2nd fraction, since 32 × 5 = 160,
5/32 = 5 × 5/32 × 5 = 25/160 - Add the two like fractions:
720/160 + 25/160 = 720 + 25/160 = 745/160 - 745/160 simplified gives 149/32
- So, 90/20 + 5/32 = 149/32
In mixed form: 421/32
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/20+10/32 90/40+5/32 90/20+5/64 90/20+15/32 90/60+5/32 90/20+5/96 90/20+25/32 90/20+35/32