Add 25/10 and 21/4
1st number: 2 5/10, 2nd number: 5 1/4
25/10 + 21/4 is 31/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 4 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 10 × 2 = 20,
25/10 = 25 × 2/10 × 2 = 50/20 - Likewise, for the 2nd fraction, since 4 × 5 = 20,
21/4 = 21 × 5/4 × 5 = 105/20 - Add the two like fractions:
50/20 + 105/20 = 50 + 105/20 = 155/20 - 155/20 simplified gives 31/4
- So, 25/10 + 21/4 = 31/4
In mixed form: 73/4
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