Add 90/18 and 75/10
1st number: 5 0/18, 2nd number: 7 5/10
90/18 + 75/10 is 25/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
90/18 = 90 × 5/18 × 5 = 450/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
75/10 = 75 × 9/10 × 9 = 675/90 - Add the two like fractions:
450/90 + 675/90 = 450 + 675/90 = 1125/90 - 1125/90 simplified gives 25/2
- So, 90/18 + 75/10 = 25/2
In mixed form: 121/2
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