Add 4/90 and 42/75
4/90 + 42/75 is 136/225.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 75 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 90 × 5 = 450,
4/90 = 4 × 5/90 × 5 = 20/450 - Likewise, for the 2nd fraction, since 75 × 6 = 450,
42/75 = 42 × 6/75 × 6 = 252/450 - Add the two like fractions:
20/450 + 252/450 = 20 + 252/450 = 272/450 - 272/450 simplified gives 136/225
- So, 4/90 + 42/75 = 136/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/90+42/75 4/90+84/75 12/90+42/75 20/90+42/75 28/90+42/75