Add 42/60 and 54/80
42/60 + 54/80 is 11/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 60 × 4 = 240,
42/60 = 42 × 4/60 × 4 = 168/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
54/80 = 54 × 3/80 × 3 = 162/240 - Add the two like fractions:
168/240 + 162/240 = 168 + 162/240 = 330/240 - 330/240 simplified gives 11/8
- So, 42/60 + 54/80 = 11/8
In mixed form: 13/8
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