Add 21/75 and 90/36
1st number: 21/75, 2nd number: 2 18/36
21/75 + 90/36 is 139/50.
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,
90/36 = 90 × 25/36 × 25 = 2250/900 - Add the two like fractions:
252/900 + 2250/900 = 252 + 2250/900 = 2502/900 - 2502/900 simplified gives 139/50
- So, 21/75 + 90/36 = 139/50
In mixed form: 239/50
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