Add 75/35 and 8/21
1st number: 2 5/35, 2nd number: 8/21
75/35 + 8/21 is 53/21.
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,
75/35 = 75 × 3/35 × 3 = 225/105 - Likewise, for the 2nd fraction, since 21 × 5 = 105,
8/21 = 8 × 5/21 × 5 = 40/105 - Add the two like fractions:
225/105 + 40/105 = 225 + 40/105 = 265/105 - 265/105 simplified gives 53/21
- So, 75/35 + 8/21 = 53/21
In mixed form: 211/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/35+16/21 75/70+8/21 75/35+8/42 75/35+24/21 75/35+8/63 75/35+40/21 75/35+56/21