Add 90/75 and 42/70
1st number: 1 15/75, 2nd number: 42/70
90/75 + 42/70 is 9/5.
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,
90/75 = 90 × 14/75 × 14 = 1260/1050 - Likewise, for the 2nd fraction, since 70 × 15 = 1050,
42/70 = 42 × 15/70 × 15 = 630/1050 - Add the two like fractions:
1260/1050 + 630/1050 = 1260 + 630/1050 = 1890/1050 - 1890/1050 simplified gives 9/5
- So, 90/75 + 42/70 = 9/5
In mixed form: 14/5
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