Add 90/70 and 20/75
1st number: 1 20/70, 2nd number: 20/75
90/70 + 20/75 is 163/105.
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,
20/75 = 20 × 14/75 × 14 = 280/1050 - Add the two like fractions:
1350/1050 + 280/1050 = 1350 + 280/1050 = 1630/1050 - 1630/1050 simplified gives 163/105
- So, 90/70 + 20/75 = 163/105
In mixed form: 158/105
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