Add 90/75 and 30/28
1st number: 1 15/75, 2nd number: 1 2/28
90/75 + 30/28 is 159/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 28 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 75 × 28 = 2100,
90/75 = 90 × 28/75 × 28 = 2520/2100 - Likewise, for the 2nd fraction, since 28 × 75 = 2100,
30/28 = 30 × 75/28 × 75 = 2250/2100 - Add the two like fractions:
2520/2100 + 2250/2100 = 2520 + 2250/2100 = 4770/2100 - 4770/2100 simplified gives 159/70
- So, 90/75 + 30/28 = 159/70
In mixed form: 219/70
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