Add 18/60 and 90/80
1st number: 18/60, 2nd number: 1 10/80
18/60 + 90/80 is 57/40.
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,
18/60 = 18 × 4/60 × 4 = 72/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
90/80 = 90 × 3/80 × 3 = 270/240 - Add the two like fractions:
72/240 + 270/240 = 72 + 270/240 = 342/240 - 342/240 simplified gives 57/40
- So, 18/60 + 90/80 = 57/40
In mixed form: 117/40
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