Add 6/40 and 54/14, Solve 6/40 + 3 12/14 as a fraction

Add 6/40 and 54/14

1^st number: 6/40, 2^nd number: 3 12/14

6/40 + 54/14 is 561/140.

Find the least common denominator or LCM of the two denominators:
LCM of 40 and 14 is 280

Next, find the equivalent fraction of both fractional numbers with denominator 280
For the 1st fraction, since 40 × 7 = 280,
6/40 = 6 × 7/40 × 7 = 42/280
Likewise, for the 2nd fraction, since 14 × 20 = 280,
54/14 = 54 × 20/14 × 20 = 1080/280
Add the two like fractions:
42/280 + 1080/280 = 42 + 1080/280 = 1122/280
1122/280 simplified gives 561/140
So, 6/40 + 54/14 = 561/140
In mixed form: 41/140

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