Add 32/80 and 28/72
32/80 + 28/72 is 71/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 72 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
32/80 = 32 × 9/80 × 9 = 288/720 - Likewise, for the 2nd fraction, since 72 × 10 = 720,
28/72 = 28 × 10/72 × 10 = 280/720 - Add the two like fractions:
288/720 + 280/720 = 288 + 280/720 = 568/720 - 568/720 simplified gives 71/90
- So, 32/80 + 28/72 = 71/90
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