Add 90/21 and 35/25
1st number: 4 6/21, 2nd number: 1 10/25
90/21 + 35/25 is 199/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 25 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 21 × 25 = 525,
90/21 = 90 × 25/21 × 25 = 2250/525 - Likewise, for the 2nd fraction, since 25 × 21 = 525,
35/25 = 35 × 21/25 × 21 = 735/525 - Add the two like fractions:
2250/525 + 735/525 = 2250 + 735/525 = 2985/525 - 2985/525 simplified gives 199/35
- So, 90/21 + 35/25 = 199/35
In mixed form: 524/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/21+70/25 90/42+35/25 90/21+35/50 90/63+35/25 90/21+35/75