Add 28/30 and 72/80
28/30 + 72/80 is 11/6.
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,
72/80 = 72 × 3/80 × 3 = 216/240 - Add the two like fractions:
224/240 + 216/240 = 224 + 216/240 = 440/240 - 440/240 simplified gives 11/6
- So, 28/30 + 72/80 = 11/6
In mixed form: 15/6
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