Add 20/90 and 70/60
1st number: 20/90, 2nd number: 1 10/60
20/90 + 70/60 is 25/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
20/90 = 20 × 2/90 × 2 = 40/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
70/60 = 70 × 3/60 × 3 = 210/180 - Add the two like fractions:
40/180 + 210/180 = 40 + 210/180 = 250/180 - 250/180 simplified gives 25/18
- So, 20/90 + 70/60 = 25/18
In mixed form: 17/18
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