Add 9/72 and 54/42
1st number: 9/72, 2nd number: 1 12/42
9/72 + 54/42 is 79/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 42 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
9/72 = 9 × 7/72 × 7 = 63/504 - Likewise, for the 2nd fraction, since 42 × 12 = 504,
54/42 = 54 × 12/42 × 12 = 648/504 - Add the two like fractions:
63/504 + 648/504 = 63 + 648/504 = 711/504 - 711/504 simplified gives 79/56
- So, 9/72 + 54/42 = 79/56
In mixed form: 123/56
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