Add 21/10 and 45/25
1st number: 2 1/10, 2nd number: 1 20/25
21/10 + 45/25 is 39/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 25 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 10 × 5 = 50,
21/10 = 21 × 5/10 × 5 = 105/50 - Likewise, for the 2nd fraction, since 25 × 2 = 50,
45/25 = 45 × 2/25 × 2 = 90/50 - Add the two like fractions:
105/50 + 90/50 = 105 + 90/50 = 195/50 - 195/50 simplified gives 39/10
- So, 21/10 + 45/25 = 39/10
In mixed form: 39/10
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