Add 16/21 and 60/15
1st number: 16/21, 2nd number: 4 0/15
16/21 + 60/15 is 100/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 15 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 15 × 7 = 105,
60/15 = 60 × 7/15 × 7 = 420/105 - Add the two like fractions:
80/105 + 420/105 = 80 + 420/105 = 500/105 - 500/105 simplified gives 100/21
- So, 16/21 + 60/15 = 100/21
In mixed form: 416/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/21+60/15 16/42+60/15 16/21+60/30 48/21+60/15 16/63+60/15 16/21+60/45 80/21+60/15 16/21+60/75