Add 64/45 and 81/70
1st number: 1 19/45, 2nd number: 1 11/70
64/45 + 81/70 is 325/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 45 × 14 = 630,
64/45 = 64 × 14/45 × 14 = 896/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
81/70 = 81 × 9/70 × 9 = 729/630 - Add the two like fractions:
896/630 + 729/630 = 896 + 729/630 = 1625/630 - 1625/630 simplified gives 325/126
- So, 64/45 + 81/70 = 325/126
In mixed form: 273/126
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