Add 72/8 and 1/90
1st number: 9 0/8, 2nd number: 1/90
72/8 + 1/90 is 811/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 8 × 45 = 360,
72/8 = 72 × 45/8 × 45 = 3240/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
1/90 = 1 × 4/90 × 4 = 4/360 - Add the two like fractions:
3240/360 + 4/360 = 3240 + 4/360 = 3244/360 - 3244/360 simplified gives 811/90
- So, 72/8 + 1/90 = 811/90
In mixed form: 91/90
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