Add 81/4 and 75/28
1st number: 20 1/4, 2nd number: 2 19/28
81/4 + 75/28 is 321/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,
81/4 = 81 × 7/4 × 7 = 567/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
75/28 = 75 × 1/28 × 1 = 75/28 - Add the two like fractions:
567/28 + 75/28 = 567 + 75/28 = 642/28 - 642/28 simplified gives 321/14
- So, 81/4 + 75/28 = 321/14
In mixed form: 2213/14
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