Add 81/40 and 4/98, Solve 2 1/40 + 4/98 as a fraction

Add 81/40 and 4/98

1^st number: 2 1/40, 2^nd number: 4/98

81/40 + 4/98 is 4049/1960.

Find the least common denominator or LCM of the two denominators:
LCM of 40 and 98 is 1960

Next, find the equivalent fraction of both fractional numbers with denominator 1960
For the 1st fraction, since 40 × 49 = 1960,
81/40 = 81 × 49/40 × 49 = 3969/1960
Likewise, for the 2nd fraction, since 98 × 20 = 1960,
4/98 = 4 × 20/98 × 20 = 80/1960
Add the two like fractions:
3969/1960 + 80/1960 = 3969 + 80/1960 = 4049/1960
So, 81/40 + 4/98 = 4049/1960
In mixed form: 2129/1960

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