Add 42/21 and 21/75
1st number: 2 0/21, 2nd number: 21/75
42/21 + 21/75 is 57/25.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 75 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 21 × 25 = 525,
42/21 = 42 × 25/21 × 25 = 1050/525 - Likewise, for the 2nd fraction, since 75 × 7 = 525,
21/75 = 21 × 7/75 × 7 = 147/525 - Add the two like fractions:
1050/525 + 147/525 = 1050 + 147/525 = 1197/525 - 1197/525 simplified gives 57/25
- So, 42/21 + 21/75 = 57/25
In mixed form: 27/25
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