Add 90/9 and 75/20
1st number: 10 0/9, 2nd number: 3 15/20
90/9 + 75/20 is 55/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 9 × 20 = 180,
90/9 = 90 × 20/9 × 20 = 1800/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
75/20 = 75 × 9/20 × 9 = 675/180 - Add the two like fractions:
1800/180 + 675/180 = 1800 + 675/180 = 2475/180 - 2475/180 simplified gives 55/4
- So, 90/9 + 75/20 = 55/4
In mixed form: 133/4
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