Add 10/90 and 81/28
1st number: 10/90, 2nd number: 2 25/28
10/90 + 81/28 is 757/252.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 28 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 90 × 14 = 1260,
10/90 = 10 × 14/90 × 14 = 140/1260 - Likewise, for the 2nd fraction, since 28 × 45 = 1260,
81/28 = 81 × 45/28 × 45 = 3645/1260 - Add the two like fractions:
140/1260 + 3645/1260 = 140 + 3645/1260 = 3785/1260 - 3785/1260 simplified gives 757/252
- So, 10/90 + 81/28 = 757/252
In mixed form: 31/252
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