Add 28/42 and 32/72
28/42 + 32/72 is 10/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 42 × 12 = 504,
28/42 = 28 × 12/42 × 12 = 336/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
32/72 = 32 × 7/72 × 7 = 224/504 - Add the two like fractions:
336/504 + 224/504 = 336 + 224/504 = 560/504 - 560/504 simplified gives 10/9
- So, 28/42 + 32/72 = 10/9
In mixed form: 11/9
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