Add 7/90 and 81/30
1st number: 7/90, 2nd number: 2 21/30
7/90 + 81/30 is 25/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
7/90 = 7 × 1/90 × 1 = 7/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
81/30 = 81 × 3/30 × 3 = 243/90 - Add the two like fractions:
7/90 + 243/90 = 7 + 243/90 = 250/90 - 250/90 simplified gives 25/9
- So, 7/90 + 81/30 = 25/9
In mixed form: 27/9
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