Add 45/70 and 30/9
1st number: 45/70, 2nd number: 3 3/9
45/70 + 30/9 is 167/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 9 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
45/70 = 45 × 9/70 × 9 = 405/630 - Likewise, for the 2nd fraction, since 9 × 70 = 630,
30/9 = 30 × 70/9 × 70 = 2100/630 - Add the two like fractions:
405/630 + 2100/630 = 405 + 2100/630 = 2505/630 - 2505/630 simplified gives 167/42
- So, 45/70 + 30/9 = 167/42
In mixed form: 341/42
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