Add 75/21 and 14/35
1st number: 3 12/21, 2nd number: 14/35
75/21 + 14/35 is 139/35.
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,
75/21 = 75 × 5/21 × 5 = 375/105 - Likewise, for the 2nd fraction, since 35 × 3 = 105,
14/35 = 14 × 3/35 × 3 = 42/105 - Add the two like fractions:
375/105 + 42/105 = 375 + 42/105 = 417/105 - 417/105 simplified gives 139/35
- So, 75/21 + 14/35 = 139/35
In mixed form: 334/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/21+28/35 75/42+14/35 75/21+14/70 75/21+42/35 75/63+14/35 75/21+70/35 75/21+98/35