Add 25/28 and 90/42
1st number: 25/28, 2nd number: 2 6/42
25/28 + 90/42 is 85/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
25/28 = 25 × 3/28 × 3 = 75/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
90/42 = 90 × 2/42 × 2 = 180/84 - Add the two like fractions:
75/84 + 180/84 = 75 + 180/84 = 255/84 - 255/84 simplified gives 85/28
- So, 25/28 + 90/42 = 85/28
In mixed form: 31/28
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