Add 90/35 and 81/18
1st number: 2 20/35, 2nd number: 4 9/18
90/35 + 81/18 is 99/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 18 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 35 × 18 = 630,
90/35 = 90 × 18/35 × 18 = 1620/630 - Likewise, for the 2nd fraction, since 18 × 35 = 630,
81/18 = 81 × 35/18 × 35 = 2835/630 - Add the two like fractions:
1620/630 + 2835/630 = 1620 + 2835/630 = 4455/630 - 4455/630 simplified gives 99/14
- So, 90/35 + 81/18 = 99/14
In mixed form: 71/14
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