Add 90/28 and 20/24
1st number: 3 6/28, 2nd number: 20/24
90/28 + 20/24 is 85/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 28 × 6 = 168,
90/28 = 90 × 6/28 × 6 = 540/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
20/24 = 20 × 7/24 × 7 = 140/168 - Add the two like fractions:
540/168 + 140/168 = 540 + 140/168 = 680/168 - 680/168 simplified gives 85/21
- So, 90/28 + 20/24 = 85/21
In mixed form: 41/21
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