Add 81/60 and 72/98, Solve 1 21/60 + 72/98 as a fraction

Add 81/60 and 72/98

1^st number: 1 21/60, 2^nd number: 72/98

81/60 + 72/98 is 2043/980.

Find the least common denominator or LCM of the two denominators:
LCM of 60 and 98 is 2940

Next, find the equivalent fraction of both fractional numbers with denominator 2940
For the 1st fraction, since 60 × 49 = 2940,
81/60 = 81 × 49/60 × 49 = 3969/2940
Likewise, for the 2nd fraction, since 98 × 30 = 2940,
72/98 = 72 × 30/98 × 30 = 2160/2940
Add the two like fractions:
3969/2940 + 2160/2940 = 3969 + 2160/2940 = 6129/2940
6129/2940 simplified gives 2043/980
So, 81/60 + 72/98 = 2043/980
In mixed form: 283/980

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