Add 35/90 and 64/21
1st number: 35/90, 2nd number: 3 1/21
35/90 + 64/21 is 433/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 21 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
35/90 = 35 × 7/90 × 7 = 245/630 - Likewise, for the 2nd fraction, since 21 × 30 = 630,
64/21 = 64 × 30/21 × 30 = 1920/630 - Add the two like fractions:
245/630 + 1920/630 = 245 + 1920/630 = 2165/630 - 2165/630 simplified gives 433/126
- So, 35/90 + 64/21 = 433/126
In mixed form: 355/126
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