Add 75/90 and 54/7
1st number: 75/90, 2nd number: 7 5/7
75/90 + 54/7 is 359/42.
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,
75/90 = 75 × 7/90 × 7 = 525/630 - Likewise, for the 2nd fraction, since 7 × 90 = 630,
54/7 = 54 × 90/7 × 90 = 4860/630 - Add the two like fractions:
525/630 + 4860/630 = 525 + 4860/630 = 5385/630 - 5385/630 simplified gives 359/42
- So, 75/90 + 54/7 = 359/42
In mixed form: 823/42
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