Add 81/90 and 18/8
1st number: 81/90, 2nd number: 2 2/8
81/90 + 18/8 is 63/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 8 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
81/90 = 81 × 4/90 × 4 = 324/360 - Likewise, for the 2nd fraction, since 8 × 45 = 360,
18/8 = 18 × 45/8 × 45 = 810/360 - Add the two like fractions:
324/360 + 810/360 = 324 + 810/360 = 1134/360 - 1134/360 simplified gives 63/20
- So, 81/90 + 18/8 = 63/20
In mixed form: 33/20
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