Add 80/20 and 15/32
1st number: 4 0/20, 2nd number: 15/32
80/20 + 15/32 is 143/32.
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,
80/20 = 80 × 8/20 × 8 = 640/160 - Likewise, for the 2nd fraction, since 32 × 5 = 160,
15/32 = 15 × 5/32 × 5 = 75/160 - Add the two like fractions:
640/160 + 75/160 = 640 + 75/160 = 715/160 - 715/160 simplified gives 143/32
- So, 80/20 + 15/32 = 143/32
In mixed form: 415/32
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/20+30/32 80/40+15/32 80/20+15/64 80/20+45/32 80/60+15/32 80/20+15/96 80/20+75/32