Add 81/28 and 20/75
1st number: 2 25/28, 2nd number: 20/75
81/28 + 20/75 is 1327/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 75 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 28 × 75 = 2100,
81/28 = 81 × 75/28 × 75 = 6075/2100 - Likewise, for the 2nd fraction, since 75 × 28 = 2100,
20/75 = 20 × 28/75 × 28 = 560/2100 - Add the two like fractions:
6075/2100 + 560/2100 = 6075 + 560/2100 = 6635/2100 - 6635/2100 simplified gives 1327/420
- So, 81/28 + 20/75 = 1327/420
In mixed form: 367/420
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