Add 5/70 and 84/18
1st number: 5/70, 2nd number: 4 12/18
5/70 + 84/18 is 199/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 18 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
5/70 = 5 × 9/70 × 9 = 45/630 - Likewise, for the 2nd fraction, since 18 × 35 = 630,
84/18 = 84 × 35/18 × 35 = 2940/630 - Add the two like fractions:
45/630 + 2940/630 = 45 + 2940/630 = 2985/630 - 2985/630 simplified gives 199/42
- So, 5/70 + 84/18 = 199/42
In mixed form: 431/42
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