Add 90/20 and 7/36
1st number: 4 10/20, 2nd number: 7/36
90/20 + 7/36 is 169/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
90/20 = 90 × 9/20 × 9 = 810/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
7/36 = 7 × 5/36 × 5 = 35/180 - Add the two like fractions:
810/180 + 35/180 = 810 + 35/180 = 845/180 - 845/180 simplified gives 169/36
- So, 90/20 + 7/36 = 169/36
In mixed form: 425/36
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