Add 81/4 and 90/75
1st number: 20 1/4, 2nd number: 1 15/75
81/4 + 90/75 is 429/20.
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,
81/4 = 81 × 75/4 × 75 = 6075/300 - Likewise, for the 2nd fraction, since 75 × 4 = 300,
90/75 = 90 × 4/75 × 4 = 360/300 - Add the two like fractions:
6075/300 + 360/300 = 6075 + 360/300 = 6435/300 - 6435/300 simplified gives 429/20
- So, 81/4 + 90/75 = 429/20
In mixed form: 219/20
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