Add 90/70 and 9/75
1st number: 1 20/70, 2nd number: 9/75
90/70 + 9/75 is 246/175.
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,
90/70 = 90 × 15/70 × 15 = 1350/1050 - Likewise, for the 2nd fraction, since 75 × 14 = 1050,
9/75 = 9 × 14/75 × 14 = 126/1050 - Add the two like fractions:
1350/1050 + 126/1050 = 1350 + 126/1050 = 1476/1050 - 1476/1050 simplified gives 246/175
- So, 90/70 + 9/75 = 246/175
In mixed form: 171/175
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