Add 54/90 and 18/7
1st number: 54/90, 2nd number: 2 4/7
54/90 + 18/7 is 111/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 7 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
54/90 = 54 × 7/90 × 7 = 378/630 - Likewise, for the 2nd fraction, since 7 × 90 = 630,
18/7 = 18 × 90/7 × 90 = 1620/630 - Add the two like fractions:
378/630 + 1620/630 = 378 + 1620/630 = 1998/630 - 1998/630 simplified gives 111/35
- So, 54/90 + 18/7 = 111/35
In mixed form: 36/35
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