Add 75/25 and 18/21
1st number: 3 0/25, 2nd number: 18/21
75/25 + 18/21 is 27/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 21 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 25 × 21 = 525,
75/25 = 75 × 21/25 × 21 = 1575/525 - Likewise, for the 2nd fraction, since 21 × 25 = 525,
18/21 = 18 × 25/21 × 25 = 450/525 - Add the two like fractions:
1575/525 + 450/525 = 1575 + 450/525 = 2025/525 - 2025/525 simplified gives 27/7
- So, 75/25 + 18/21 = 27/7
In mixed form: 36/7
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