Add 18/70 and 40/9
1st number: 18/70, 2nd number: 4 4/9
18/70 + 40/9 is 1481/315.
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,
18/70 = 18 × 9/70 × 9 = 162/630 - Likewise, for the 2nd fraction, since 9 × 70 = 630,
40/9 = 40 × 70/9 × 70 = 2800/630 - Add the two like fractions:
162/630 + 2800/630 = 162 + 2800/630 = 2962/630 - 2962/630 simplified gives 1481/315
- So, 18/70 + 40/9 = 1481/315
In mixed form: 4221/315
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