Add 25/2 and 28/20
1st number: 12 1/2, 2nd number: 1 8/20
25/2 + 28/20 is 139/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 2 × 10 = 20,
25/2 = 25 × 10/2 × 10 = 250/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
28/20 = 28 × 1/20 × 1 = 28/20 - Add the two like fractions:
250/20 + 28/20 = 250 + 28/20 = 278/20 - 278/20 simplified gives 139/10
- So, 25/2 + 28/20 = 139/10
In mixed form: 139/10
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