Add 75/84 and 54/72
75/84 + 54/72 is 23/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 84 × 6 = 504,
75/84 = 75 × 6/84 × 6 = 450/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
54/72 = 54 × 7/72 × 7 = 378/504 - Add the two like fractions:
450/504 + 378/504 = 450 + 378/504 = 828/504 - 828/504 simplified gives 23/14
- So, 75/84 + 54/72 = 23/14
In mixed form: 19/14
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