Add 25/2 and 20/42
1st number: 12 1/2, 2nd number: 20/42
25/2 + 20/42 is 545/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 2 × 21 = 42,
25/2 = 25 × 21/2 × 21 = 525/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
20/42 = 20 × 1/42 × 1 = 20/42 - Add the two like fractions:
525/42 + 20/42 = 525 + 20/42 = 545/42 - So, 25/2 + 20/42 = 545/42
In mixed form: 1241/42
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