Add 45/4 and 21/25
1st number: 11 1/4, 2nd number: 21/25
45/4 + 21/25 is 1209/100.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 25 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 4 × 25 = 100,
45/4 = 45 × 25/4 × 25 = 1125/100 - Likewise, for the 2nd fraction, since 25 × 4 = 100,
21/25 = 21 × 4/25 × 4 = 84/100 - Add the two like fractions:
1125/100 + 84/100 = 1125 + 84/100 = 1209/100 - So, 45/4 + 21/25 = 1209/100
In mixed form: 129/100
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