Add 54/60 and 90/80
1st number: 54/60, 2nd number: 1 10/80
54/60 + 90/80 is 81/40.
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,
54/60 = 54 × 4/60 × 4 = 216/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
90/80 = 90 × 3/80 × 3 = 270/240 - Add the two like fractions:
216/240 + 270/240 = 216 + 270/240 = 486/240 - 486/240 simplified gives 81/40
- So, 54/60 + 90/80 = 81/40
In mixed form: 21/40
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