Add 16/21 and 5/35
16/21 + 5/35 is 19/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 35 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 21 × 5 = 105,
16/21 = 16 × 5/21 × 5 = 80/105 - Likewise, for the 2nd fraction, since 35 × 3 = 105,
5/35 = 5 × 3/35 × 3 = 15/105 - Add the two like fractions:
80/105 + 15/105 = 80 + 15/105 = 95/105 - 95/105 simplified gives 19/21
- So, 16/21 + 5/35 = 19/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/21+5/35 16/21+10/35 16/42+5/35 16/21+5/70 48/21+5/35 16/21+15/35 16/63+5/35 80/21+5/35 16/21+25/35