Add 21/75 and 28/36
21/75 + 28/36 is 238/225.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 36 is 900
Next, find the equivalent fraction of both fractional numbers with denominator 900 - For the 1st fraction, since 75 × 12 = 900,
21/75 = 21 × 12/75 × 12 = 252/900 - Likewise, for the 2nd fraction, since 36 × 25 = 900,
28/36 = 28 × 25/36 × 25 = 700/900 - Add the two like fractions:
252/900 + 700/900 = 252 + 700/900 = 952/900 - 952/900 simplified gives 238/225
- So, 21/75 + 28/36 = 238/225
In mixed form: 113/225
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