Add 45/98 and 81/80
1st number: 45/98, 2nd number: 1 1/80
45/98 + 81/80 is 5769/3920.
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,
45/98 = 45 × 40/98 × 40 = 1800/3920 - Likewise, for the 2nd fraction, since 80 × 49 = 3920,
81/80 = 81 × 49/80 × 49 = 3969/3920 - Add the two like fractions:
1800/3920 + 3969/3920 = 1800 + 3969/3920 = 5769/3920 - So, 45/98 + 81/80 = 5769/3920
In mixed form: 11849/3920
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