Add 90/10 and 70/20
1st number: 9 0/10, 2nd number: 3 10/20
90/10 + 70/20 is 25/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 10 × 2 = 20,
90/10 = 90 × 2/10 × 2 = 180/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
70/20 = 70 × 1/20 × 1 = 70/20 - Add the two like fractions:
180/20 + 70/20 = 180 + 70/20 = 250/20 - 250/20 simplified gives 25/2
- So, 90/10 + 70/20 = 25/2
In mixed form: 121/2
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