Add 45/98 and 81/40
1st number: 45/98, 2nd number: 2 1/40
45/98 + 81/40 is 4869/1960.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 40 is 1960
Next, find the equivalent fraction of both fractional numbers with denominator 1960 - For the 1st fraction, since 98 × 20 = 1960,
45/98 = 45 × 20/98 × 20 = 900/1960 - Likewise, for the 2nd fraction, since 40 × 49 = 1960,
81/40 = 81 × 49/40 × 49 = 3969/1960 - Add the two like fractions:
900/1960 + 3969/1960 = 900 + 3969/1960 = 4869/1960 - So, 45/98 + 81/40 = 4869/1960
In mixed form: 2949/1960
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