Add 2/35 and 90/21
1st number: 2/35, 2nd number: 4 6/21
2/35 + 90/21 is 152/35.
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,
2/35 = 2 × 3/35 × 3 = 6/105 - Likewise, for the 2nd fraction, since 21 × 5 = 105,
90/21 = 90 × 5/21 × 5 = 450/105 - Add the two like fractions:
6/105 + 450/105 = 6 + 450/105 = 456/105 - 456/105 simplified gives 152/35
- So, 2/35 + 90/21 = 152/35
In mixed form: 412/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/35+90/21 2/70+90/21 2/35+90/42 6/35+90/21 2/35+90/63 10/35+90/21 14/35+90/21