Add 54/12 and 5/40, Solve 4 6/12 + 5/40 as a fraction

Add 54/12 and 5/40

1^st number: 4 6/12, 2^nd number: 5/40

54/12 + 5/40 is 37/8.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 40 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 12 × 10 = 120,
54/12 = 54 × 10/12 × 10 = 540/120
Likewise, for the 2nd fraction, since 40 × 3 = 120,
5/40 = 5 × 3/40 × 3 = 15/120
Add the two like fractions:
540/120 + 15/120 = 540 + 15/120 = 555/120
555/120 simplified gives 37/8
So, 54/12 + 5/40 = 37/8
In mixed form: 45/8

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