Add 90/18 and 70/35
1st number: 5 0/18, 2nd number: 2 0/35
90/18 + 70/35 is 7/1.
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,
90/18 = 90 × 35/18 × 35 = 3150/630 - Likewise, for the 2nd fraction, since 35 × 18 = 630,
70/35 = 70 × 18/35 × 18 = 1260/630 - Add the two like fractions:
3150/630 + 1260/630 = 3150 + 1260/630 = 4410/630 - 4410/630 simplified gives 7/1
- So, 90/18 + 70/35 = 7/1
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