Add 90/10 and 80/20
1st number: 9 0/10, 2nd number: 4 0/20
90/10 + 80/20 is 13/1.
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,
80/20 = 80 × 1/20 × 1 = 80/20 - Add the two like fractions:
180/20 + 80/20 = 180 + 80/20 = 260/20 - 260/20 simplified gives 13/1
- So, 90/10 + 80/20 = 13/1
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