Add 28/80 and 42/18
1st number: 28/80, 2nd number: 2 6/18
28/80 + 42/18 is 161/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 18 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
28/80 = 28 × 9/80 × 9 = 252/720 - Likewise, for the 2nd fraction, since 18 × 40 = 720,
42/18 = 42 × 40/18 × 40 = 1680/720 - Add the two like fractions:
252/720 + 1680/720 = 252 + 1680/720 = 1932/720 - 1932/720 simplified gives 161/60
- So, 28/80 + 42/18 = 161/60
In mixed form: 241/60
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