Add 7/35 and 36/21
1st number: 7/35, 2nd number: 1 15/21
7/35 + 36/21 is 67/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 21 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 35 × 3 = 105,
7/35 = 7 × 3/35 × 3 = 21/105 - Likewise, for the 2nd fraction, since 21 × 5 = 105,
36/21 = 36 × 5/21 × 5 = 180/105 - Add the two like fractions:
21/105 + 180/105 = 21 + 180/105 = 201/105 - 201/105 simplified gives 67/35
- So, 7/35 + 36/21 = 67/35
In mixed form: 132/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/35+36/21 7/35+72/21 7/70+36/21 7/35+36/42 21/35+36/21 7/35+36/63 49/35+36/21