Add 30/84 and 40/25
1st number: 30/84, 2nd number: 1 15/25
30/84 + 40/25 is 137/70.
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,
30/84 = 30 × 25/84 × 25 = 750/2100 - Likewise, for the 2nd fraction, since 25 × 84 = 2100,
40/25 = 40 × 84/25 × 84 = 3360/2100 - Add the two like fractions:
750/2100 + 3360/2100 = 750 + 3360/2100 = 4110/2100 - 4110/2100 simplified gives 137/70
- So, 30/84 + 40/25 = 137/70
In mixed form: 167/70
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