Add 54/90 and 42/35
1st number: 54/90, 2nd number: 1 7/35
54/90 + 42/35 is 9/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 35 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 35 × 18 = 630,
42/35 = 42 × 18/35 × 18 = 756/630 - Add the two like fractions:
378/630 + 756/630 = 378 + 756/630 = 1134/630 - 1134/630 simplified gives 9/5
- So, 54/90 + 42/35 = 9/5
In mixed form: 14/5
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