Add 28/30 and 20/80
28/30 + 20/80 is 71/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
28/30 = 28 × 8/30 × 8 = 224/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
20/80 = 20 × 3/80 × 3 = 60/240 - Add the two like fractions:
224/240 + 60/240 = 224 + 60/240 = 284/240 - 284/240 simplified gives 71/60
- So, 28/30 + 20/80 = 71/60
In mixed form: 111/60
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