Add 28/90 and 63/7
1st number: 28/90, 2nd number: 9 0/7
28/90 + 63/7 is 419/45.
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,
28/90 = 28 × 7/90 × 7 = 196/630 - Likewise, for the 2nd fraction, since 7 × 90 = 630,
63/7 = 63 × 90/7 × 90 = 5670/630 - Add the two like fractions:
196/630 + 5670/630 = 196 + 5670/630 = 5866/630 - 5866/630 simplified gives 419/45
- So, 28/90 + 63/7 = 419/45
In mixed form: 914/45
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