Add 28/70 and 80/75
1st number: 28/70, 2nd number: 1 5/75
28/70 + 80/75 is 22/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 75 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 70 × 15 = 1050,
28/70 = 28 × 15/70 × 15 = 420/1050 - Likewise, for the 2nd fraction, since 75 × 14 = 1050,
80/75 = 80 × 14/75 × 14 = 1120/1050 - Add the two like fractions:
420/1050 + 1120/1050 = 420 + 1120/1050 = 1540/1050 - 1540/1050 simplified gives 22/15
- So, 28/70 + 80/75 = 22/15
In mixed form: 17/15
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