Add 20/28 and 90/75
1st number: 20/28, 2nd number: 1 15/75
20/28 + 90/75 is 67/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 75 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 28 × 75 = 2100,
20/28 = 20 × 75/28 × 75 = 1500/2100 - Likewise, for the 2nd fraction, since 75 × 28 = 2100,
90/75 = 90 × 28/75 × 28 = 2520/2100 - Add the two like fractions:
1500/2100 + 2520/2100 = 1500 + 2520/2100 = 4020/2100 - 4020/2100 simplified gives 67/35
- So, 20/28 + 90/75 = 67/35
In mixed form: 132/35
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