Add 40/20 and 12/32
1st number: 2 0/20, 2nd number: 12/32
40/20 + 12/32 is 19/8.
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,
40/20 = 40 × 8/20 × 8 = 320/160 - Likewise, for the 2nd fraction, since 32 × 5 = 160,
12/32 = 12 × 5/32 × 5 = 60/160 - Add the two like fractions:
320/160 + 60/160 = 320 + 60/160 = 380/160 - 380/160 simplified gives 19/8
- So, 40/20 + 12/32 = 19/8
In mixed form: 23/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/20+12/32 40/20+24/32 40/20+12/64 40/20+36/32 40/60+12/32 40/20+12/96 40/20+60/32 40/20+84/32