Add 90/54 and 7/49
1st number: 1 36/54, 2nd number: 7/49
90/54 + 7/49 is 38/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 49 is 2646
Next, find the equivalent fraction of both fractional numbers with denominator 2646 - For the 1st fraction, since 54 × 49 = 2646,
90/54 = 90 × 49/54 × 49 = 4410/2646 - Likewise, for the 2nd fraction, since 49 × 54 = 2646,
7/49 = 7 × 54/49 × 54 = 378/2646 - Add the two like fractions:
4410/2646 + 378/2646 = 4410 + 378/2646 = 4788/2646 - 4788/2646 simplified gives 38/21
- So, 90/54 + 7/49 = 38/21
In mixed form: 117/21
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