Add 15/4 and 21/75
1st number: 3 3/4, 2nd number: 21/75
15/4 + 21/75 is 403/100.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 75 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 4 × 75 = 300,
15/4 = 15 × 75/4 × 75 = 1125/300 - Likewise, for the 2nd fraction, since 75 × 4 = 300,
21/75 = 21 × 4/75 × 4 = 84/300 - Add the two like fractions:
1125/300 + 84/300 = 1125 + 84/300 = 1209/300 - 1209/300 simplified gives 403/100
- So, 15/4 + 21/75 = 403/100
In mixed form: 43/100
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