Add 90/18 and 75/8
1st number: 5 0/18, 2nd number: 9 3/8
90/18 + 75/8 is 115/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
90/18 = 90 × 4/18 × 4 = 360/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
75/8 = 75 × 9/8 × 9 = 675/72 - Add the two like fractions:
360/72 + 675/72 = 360 + 675/72 = 1035/72 - 1035/72 simplified gives 115/8
- So, 90/18 + 75/8 = 115/8
In mixed form: 143/8
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