Add 96/20 and 15/21
1st number: 4 16/20, 2nd number: 15/21
96/20 + 15/21 is 193/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 21 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 20 × 21 = 420,
96/20 = 96 × 21/20 × 21 = 2016/420 - Likewise, for the 2nd fraction, since 21 × 20 = 420,
15/21 = 15 × 20/21 × 20 = 300/420 - Add the two like fractions:
2016/420 + 300/420 = 2016 + 300/420 = 2316/420 - 2316/420 simplified gives 193/35
- So, 96/20 + 15/21 = 193/35
In mixed form: 518/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/20+30/21 96/40+15/21 96/20+15/42 96/20+45/21 96/60+15/21 96/20+15/63 96/20+75/21