Add 81/60 and 56/49, Solve 1 21/60 + 1 7/49 as a fraction

Add 81/60 and 56/49

1^st number: 1 21/60, 2^nd number: 1 7/49

81/60 + 56/49 is 349/140.

Find the least common denominator or LCM of the two denominators:
LCM of 60 and 49 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 49 × 60 = 2940,
56/49 = 56 × 60/49 × 60 = 3360/2940
Add the two like fractions:
3969/2940 + 3360/2940 = 3969 + 3360/2940 = 7329/2940
7329/2940 simplified gives 349/140
So, 81/60 + 56/49 = 349/140
In mixed form: 269/140

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