Add 27/90 and 18/8
1st number: 27/90, 2nd number: 2 2/8
27/90 + 18/8 is 51/20.
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,
27/90 = 27 × 4/90 × 4 = 108/360 - Likewise, for the 2nd fraction, since 8 × 45 = 360,
18/8 = 18 × 45/8 × 45 = 810/360 - Add the two like fractions:
108/360 + 810/360 = 108 + 810/360 = 918/360 - 918/360 simplified gives 51/20
- So, 27/90 + 18/8 = 51/20
In mixed form: 211/20
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