Add 27/98 and 81/40
1st number: 27/98, 2nd number: 2 1/40
27/98 + 81/40 is 4509/1960.
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,
27/98 = 27 × 20/98 × 20 = 540/1960 - Likewise, for the 2nd fraction, since 40 × 49 = 1960,
81/40 = 81 × 49/40 × 49 = 3969/1960 - Add the two like fractions:
540/1960 + 3969/1960 = 540 + 3969/1960 = 4509/1960 - So, 27/98 + 81/40 = 4509/1960
In mixed form: 2589/1960
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