Add 21/75 and 10/35
21/75 + 10/35 is 99/175.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 35 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 75 × 7 = 525,
21/75 = 21 × 7/75 × 7 = 147/525 - Likewise, for the 2nd fraction, since 35 × 15 = 525,
10/35 = 10 × 15/35 × 15 = 150/525 - Add the two like fractions:
147/525 + 150/525 = 147 + 150/525 = 297/525 - 297/525 simplified gives 99/175
- So, 21/75 + 10/35 = 99/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/75+10/35 21/75+20/35 21/75+10/70 63/75+10/35 21/75+30/35 21/75+50/35 21/75+70/35