Add 90/20 and 80/98
1st number: 4 10/20, 2nd number: 80/98
90/20 + 80/98 is 521/98.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 98 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 20 × 49 = 980,
90/20 = 90 × 49/20 × 49 = 4410/980 - Likewise, for the 2nd fraction, since 98 × 10 = 980,
80/98 = 80 × 10/98 × 10 = 800/980 - Add the two like fractions:
4410/980 + 800/980 = 4410 + 800/980 = 5210/980 - 5210/980 simplified gives 521/98
- So, 90/20 + 80/98 = 521/98
In mixed form: 531/98
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