Add 9/7 and 54/72
1st number: 1 2/7, 2nd number: 54/72
9/7 + 54/72 is 57/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 7 × 72 = 504,
9/7 = 9 × 72/7 × 72 = 648/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
54/72 = 54 × 7/72 × 7 = 378/504 - Add the two like fractions:
648/504 + 378/504 = 648 + 378/504 = 1026/504 - 1026/504 simplified gives 57/28
- So, 9/7 + 54/72 = 57/28
In mixed form: 21/28
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