Add 90/84 and 40/25
1st number: 1 6/84, 2nd number: 1 15/25
90/84 + 40/25 is 187/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 25 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 84 × 25 = 2100,
90/84 = 90 × 25/84 × 25 = 2250/2100 - Likewise, for the 2nd fraction, since 25 × 84 = 2100,
40/25 = 40 × 84/25 × 84 = 3360/2100 - Add the two like fractions:
2250/2100 + 3360/2100 = 2250 + 3360/2100 = 5610/2100 - 5610/2100 simplified gives 187/70
- So, 90/84 + 40/25 = 187/70
In mixed form: 247/70
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