Add 90/20 and 60/90
1st number: 4 10/20, 2nd number: 60/90
90/20 + 60/90 is 31/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 90 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 90 × 2 = 180,
60/90 = 60 × 2/90 × 2 = 120/180 - Add the two like fractions:
810/180 + 120/180 = 810 + 120/180 = 930/180 - 930/180 simplified gives 31/6
- So, 90/20 + 60/90 = 31/6
In mixed form: 51/6
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