Add 50/15 and 2/21
1st number: 3 5/15, 2nd number: 2/21
50/15 + 2/21 is 24/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 21 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 15 × 7 = 105,
50/15 = 50 × 7/15 × 7 = 350/105 - Likewise, for the 2nd fraction, since 21 × 5 = 105,
2/21 = 2 × 5/21 × 5 = 10/105 - Add the two like fractions:
350/105 + 10/105 = 350 + 10/105 = 360/105 - 360/105 simplified gives 24/7
- So, 50/15 + 2/21 = 24/7
In mixed form: 33/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/15+4/21 50/30+2/21 50/15+2/42 50/15+6/21 50/45+2/21 50/15+2/63 50/15+10/21 50/75+2/21 50/15+14/21