Add 40/21 and 42/25
1st number: 1 19/21, 2nd number: 1 17/25
40/21 + 42/25 is 1882/525.
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,
40/21 = 40 × 25/21 × 25 = 1000/525 - Likewise, for the 2nd fraction, since 25 × 21 = 525,
42/25 = 42 × 21/25 × 21 = 882/525 - Add the two like fractions:
1000/525 + 882/525 = 1000 + 882/525 = 1882/525 - So, 40/21 + 42/25 = 1882/525
In mixed form: 3307/525
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