Add 60/70 and 90/75
1st number: 60/70, 2nd number: 1 15/75
60/70 + 90/75 is 72/35.
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,
60/70 = 60 × 15/70 × 15 = 900/1050 - Likewise, for the 2nd fraction, since 75 × 14 = 1050,
90/75 = 90 × 14/75 × 14 = 1260/1050 - Add the two like fractions:
900/1050 + 1260/1050 = 900 + 1260/1050 = 2160/1050 - 2160/1050 simplified gives 72/35
- So, 60/70 + 90/75 = 72/35
In mixed form: 22/35
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