Add 27/21 and 72/25
1st number: 1 6/21, 2nd number: 2 22/25
27/21 + 72/25 is 729/175.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 25 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 21 × 25 = 525,
27/21 = 27 × 25/21 × 25 = 675/525 - Likewise, for the 2nd fraction, since 25 × 21 = 525,
72/25 = 72 × 21/25 × 21 = 1512/525 - Add the two like fractions:
675/525 + 1512/525 = 675 + 1512/525 = 2187/525 - 2187/525 simplified gives 729/175
- So, 27/21 + 72/25 = 729/175
In mixed form: 429/175
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