Add 70/18 and 90/35
1st number: 3 16/18, 2nd number: 2 20/35
70/18 + 90/35 is 407/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 35 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 18 × 35 = 630,
70/18 = 70 × 35/18 × 35 = 2450/630 - Likewise, for the 2nd fraction, since 35 × 18 = 630,
90/35 = 90 × 18/35 × 18 = 1620/630 - Add the two like fractions:
2450/630 + 1620/630 = 2450 + 1620/630 = 4070/630 - 4070/630 simplified gives 407/63
- So, 70/18 + 90/35 = 407/63
In mixed form: 629/63
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