Add 25/84 and 90/75
1st number: 25/84, 2nd number: 1 15/75
25/84 + 90/75 is 629/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 75 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 84 × 25 = 2100,
25/84 = 25 × 25/84 × 25 = 625/2100 - Likewise, for the 2nd fraction, since 75 × 28 = 2100,
90/75 = 90 × 28/75 × 28 = 2520/2100 - Add the two like fractions:
625/2100 + 2520/2100 = 625 + 2520/2100 = 3145/2100 - 3145/2100 simplified gives 629/420
- So, 25/84 + 90/75 = 629/420
In mixed form: 1209/420
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