Add 30/98 and 81/80
1st number: 30/98, 2nd number: 1 1/80
30/98 + 81/80 is 5169/3920.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 80 is 3920
Next, find the equivalent fraction of both fractional numbers with denominator 3920 - For the 1st fraction, since 98 × 40 = 3920,
30/98 = 30 × 40/98 × 40 = 1200/3920 - Likewise, for the 2nd fraction, since 80 × 49 = 3920,
81/80 = 81 × 49/80 × 49 = 3969/3920 - Add the two like fractions:
1200/3920 + 3969/3920 = 1200 + 3969/3920 = 5169/3920 - So, 30/98 + 81/80 = 5169/3920
In mixed form: 11249/3920
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