Add 45/75 and 20/35
45/75 + 20/35 is 41/35.
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,
45/75 = 45 × 7/75 × 7 = 315/525 - Likewise, for the 2nd fraction, since 35 × 15 = 525,
20/35 = 20 × 15/35 × 15 = 300/525 - Add the two like fractions:
315/525 + 300/525 = 315 + 300/525 = 615/525 - 615/525 simplified gives 41/35
- So, 45/75 + 20/35 = 41/35
In mixed form: 16/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/75+20/35 45/75+40/35 45/75+20/70 45/75+60/35