Add 40/60 and 54/84, Solve 40/60 + 54/84 as a fraction

Add 40/60 and 54/84

40/60 + 54/84 is 55/42.

Find the least common denominator or LCM of the two denominators:
LCM of 60 and 84 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 60 × 7 = 420,
40/60 = 40 × 7/60 × 7 = 280/420
Likewise, for the 2nd fraction, since 84 × 5 = 420,
54/84 = 54 × 5/84 × 5 = 270/420
Add the two like fractions:
280/420 + 270/420 = 280 + 270/420 = 550/420
550/420 simplified gives 55/42
So, 40/60 + 54/84 = 55/42
In mixed form: 113/42

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