Add 40/20 and 84/32
1st number: 2 0/20, 2nd number: 2 20/32
40/20 + 84/32 is 37/8.
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,
84/32 = 84 × 5/32 × 5 = 420/160 - Add the two like fractions:
320/160 + 420/160 = 320 + 420/160 = 740/160 - 740/160 simplified gives 37/8
- So, 40/20 + 84/32 = 37/8
In mixed form: 45/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/20+84/32 40/20+84/64 40/60+84/32 40/20+84/96