Add 15/75 and 75/42
1st number: 15/75, 2nd number: 1 33/42
15/75 + 75/42 is 139/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 42 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 75 × 14 = 1050,
15/75 = 15 × 14/75 × 14 = 210/1050 - Likewise, for the 2nd fraction, since 42 × 25 = 1050,
75/42 = 75 × 25/42 × 25 = 1875/1050 - Add the two like fractions:
210/1050 + 1875/1050 = 210 + 1875/1050 = 2085/1050 - 2085/1050 simplified gives 139/70
- So, 15/75 + 75/42 = 139/70
In mixed form: 169/70
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