Add 16/5 and 24/21
1st number: 3 1/5, 2nd number: 1 3/21
16/5 + 24/21 is 152/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 21 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 5 × 21 = 105,
16/5 = 16 × 21/5 × 21 = 336/105 - Likewise, for the 2nd fraction, since 21 × 5 = 105,
24/21 = 24 × 5/21 × 5 = 120/105 - Add the two like fractions:
336/105 + 120/105 = 336 + 120/105 = 456/105 - 456/105 simplified gives 152/35
- So, 16/5 + 24/21 = 152/35
In mixed form: 412/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/5+24/21 16/5+48/21 16/10+24/21 16/5+24/42 48/5+24/21 16/5+72/21 16/15+24/21 16/5+24/63 80/5+24/21 16/25+24/21 16/35+24/21