Add 81/9 and 72/90
1st number: 9 0/9, 2nd number: 72/90
81/9 + 72/90 is 49/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
81/9 = 81 × 10/9 × 10 = 810/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
72/90 = 72 × 1/90 × 1 = 72/90 - Add the two like fractions:
810/90 + 72/90 = 810 + 72/90 = 882/90 - 882/90 simplified gives 49/5
- So, 81/9 + 72/90 = 49/5
In mixed form: 94/5
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