Add 90/84 and 54/72
1st number: 1 6/84, 2nd number: 54/72
90/84 + 54/72 is 51/28.
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,
90/84 = 90 × 6/84 × 6 = 540/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
54/72 = 54 × 7/72 × 7 = 378/504 - Add the two like fractions:
540/504 + 378/504 = 540 + 378/504 = 918/504 - 918/504 simplified gives 51/28
- So, 90/84 + 54/72 = 51/28
In mixed form: 123/28
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