Add 21/75 and 1/4
21/75 + 1/4 is 53/100.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 4 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 75 × 4 = 300,
21/75 = 21 × 4/75 × 4 = 84/300 - Likewise, for the 2nd fraction, since 4 × 75 = 300,
1/4 = 1 × 75/4 × 75 = 75/300 - Add the two like fractions:
84/300 + 75/300 = 84 + 75/300 = 159/300 - 159/300 simplified gives 53/100
- So, 21/75 + 1/4 = 53/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/75+1/4 21/75+2/4 21/75+1/8 63/75+1/4 21/75+3/4 21/75+1/12 21/75+5/4 21/75+1/20 21/75+7/4 21/75+1/28