Add 40/70 and 70/18
1st number: 40/70, 2nd number: 3 16/18
40/70 + 70/18 is 281/63.
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,
40/70 = 40 × 9/70 × 9 = 360/630 - Likewise, for the 2nd fraction, since 18 × 35 = 630,
70/18 = 70 × 35/18 × 35 = 2450/630 - Add the two like fractions:
360/630 + 2450/630 = 360 + 2450/630 = 2810/630 - 2810/630 simplified gives 281/63
- So, 40/70 + 70/18 = 281/63
In mixed form: 429/63
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