Add 21/4 and 81/75
1st number: 5 1/4, 2nd number: 1 6/75
21/4 + 81/75 is 633/100.
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,
21/4 = 21 × 75/4 × 75 = 1575/300 - Likewise, for the 2nd fraction, since 75 × 4 = 300,
81/75 = 81 × 4/75 × 4 = 324/300 - Add the two like fractions:
1575/300 + 324/300 = 1575 + 324/300 = 1899/300 - 1899/300 simplified gives 633/100
- So, 21/4 + 81/75 = 633/100
In mixed form: 633/100
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