Add 12/75 and 90/70
1st number: 12/75, 2nd number: 1 20/70
12/75 + 90/70 is 253/175.
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,
12/75 = 12 × 14/75 × 14 = 168/1050 - Likewise, for the 2nd fraction, since 70 × 15 = 1050,
90/70 = 90 × 15/70 × 15 = 1350/1050 - Add the two like fractions:
168/1050 + 1350/1050 = 168 + 1350/1050 = 1518/1050 - 1518/1050 simplified gives 253/175
- So, 12/75 + 90/70 = 253/175
In mixed form: 178/175
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