Add 42/21 and 63/25
1st number: 2 0/21, 2nd number: 2 13/25
42/21 + 63/25 is 113/25.
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,
42/21 = 42 × 25/21 × 25 = 1050/525 - Likewise, for the 2nd fraction, since 25 × 21 = 525,
63/25 = 63 × 21/25 × 21 = 1323/525 - Add the two like fractions:
1050/525 + 1323/525 = 1050 + 1323/525 = 2373/525 - 2373/525 simplified gives 113/25
- So, 42/21 + 63/25 = 113/25
In mixed form: 413/25
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