Add 90/28 and 81/25
1st number: 3 6/28, 2nd number: 3 6/25
90/28 + 81/25 is 2259/350.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 25 is 700
Next, find the equivalent fraction of both fractional numbers with denominator 700 - For the 1st fraction, since 28 × 25 = 700,
90/28 = 90 × 25/28 × 25 = 2250/700 - Likewise, for the 2nd fraction, since 25 × 28 = 700,
81/25 = 81 × 28/25 × 28 = 2268/700 - Add the two like fractions:
2250/700 + 2268/700 = 2250 + 2268/700 = 4518/700 - 4518/700 simplified gives 2259/350
- So, 90/28 + 81/25 = 2259/350
In mixed form: 6159/350
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