Add 6/9 and 45/70
6/9 + 45/70 is 55/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 9 × 70 = 630,
6/9 = 6 × 70/9 × 70 = 420/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
45/70 = 45 × 9/70 × 9 = 405/630 - Add the two like fractions:
420/630 + 405/630 = 420 + 405/630 = 825/630 - 825/630 simplified gives 55/42
- So, 6/9 + 45/70 = 55/42
In mixed form: 113/42
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