Add 30/70 and 90/75
1st number: 30/70, 2nd number: 1 15/75
30/70 + 90/75 is 57/35.
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,
30/70 = 30 × 15/70 × 15 = 450/1050 - Likewise, for the 2nd fraction, since 75 × 14 = 1050,
90/75 = 90 × 14/75 × 14 = 1260/1050 - Add the two like fractions:
450/1050 + 1260/1050 = 450 + 1260/1050 = 1710/1050 - 1710/1050 simplified gives 57/35
- So, 30/70 + 90/75 = 57/35
In mixed form: 122/35
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