Add 14/21 and 75/5
1st number: 14/21, 2nd number: 15 0/5
14/21 + 75/5 is 47/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 5 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 21 × 5 = 105,
14/21 = 14 × 5/21 × 5 = 70/105 - Likewise, for the 2nd fraction, since 5 × 21 = 105,
75/5 = 75 × 21/5 × 21 = 1575/105 - Add the two like fractions:
70/105 + 1575/105 = 70 + 1575/105 = 1645/105 - 1645/105 simplified gives 47/3
- So, 14/21 + 75/5 = 47/3
In mixed form: 152/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/21+75/5 14/42+75/5 14/21+75/10 42/21+75/5 14/63+75/5 14/21+75/15 70/21+75/5 14/21+75/25 98/21+75/5 14/21+75/35