Add 80/75 and 20/70
1st number: 1 5/75, 2nd number: 20/70
80/75 + 20/70 is 142/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 70 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 75 × 14 = 1050,
80/75 = 80 × 14/75 × 14 = 1120/1050 - Likewise, for the 2nd fraction, since 70 × 15 = 1050,
20/70 = 20 × 15/70 × 15 = 300/1050 - Add the two like fractions:
1120/1050 + 300/1050 = 1120 + 300/1050 = 1420/1050 - 1420/1050 simplified gives 142/105
- So, 80/75 + 20/70 = 142/105
In mixed form: 137/105
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