Add 4/35 and 84/90
4/35 + 84/90 is 22/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 35 × 18 = 630,
4/35 = 4 × 18/35 × 18 = 72/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
84/90 = 84 × 7/90 × 7 = 588/630 - Add the two like fractions:
72/630 + 588/630 = 72 + 588/630 = 660/630 - 660/630 simplified gives 22/21
- So, 4/35 + 84/90 = 22/21
In mixed form: 11/21
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