Add 90/75 and 72/70
1st number: 1 15/75, 2nd number: 1 2/70
90/75 + 72/70 is 78/35.
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,
72/70 = 72 × 15/70 × 15 = 1080/1050 - Add the two like fractions:
1260/1050 + 1080/1050 = 1260 + 1080/1050 = 2340/1050 - 2340/1050 simplified gives 78/35
- So, 90/75 + 72/70 = 78/35
In mixed form: 28/35
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