Add 72/80 and 18/30
72/80 + 18/30 is 3/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 30 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
72/80 = 72 × 3/80 × 3 = 216/240 - Likewise, for the 2nd fraction, since 30 × 8 = 240,
18/30 = 18 × 8/30 × 8 = 144/240 - Add the two like fractions:
216/240 + 144/240 = 216 + 144/240 = 360/240 - 360/240 simplified gives 3/2
- So, 72/80 + 18/30 = 3/2
In mixed form: 11/2
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