Add 70/42 and 80/75
1st number: 1 28/42, 2nd number: 1 5/75
70/42 + 80/75 is 41/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 75 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 42 × 25 = 1050,
70/42 = 70 × 25/42 × 25 = 1750/1050 - Likewise, for the 2nd fraction, since 75 × 14 = 1050,
80/75 = 80 × 14/75 × 14 = 1120/1050 - Add the two like fractions:
1750/1050 + 1120/1050 = 1750 + 1120/1050 = 2870/1050 - 2870/1050 simplified gives 41/15
- So, 70/42 + 80/75 = 41/15
In mixed form: 211/15
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