Add 21/14 and 75/35
1st number: 1 7/14, 2nd number: 2 5/35
21/14 + 75/35 is 51/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 35 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 14 × 5 = 70,
21/14 = 21 × 5/14 × 5 = 105/70 - Likewise, for the 2nd fraction, since 35 × 2 = 70,
75/35 = 75 × 2/35 × 2 = 150/70 - Add the two like fractions:
105/70 + 150/70 = 105 + 150/70 = 255/70 - 255/70 simplified gives 51/14
- So, 21/14 + 75/35 = 51/14
In mixed form: 39/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/14+75/35 21/28+75/35 21/14+75/70 63/14+75/35 21/42+75/35 21/70+75/35 21/98+75/35