Add 90/84 and 45/75
1st number: 1 6/84, 2nd number: 45/75
90/84 + 45/75 is 117/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 75 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 84 × 25 = 2100,
90/84 = 90 × 25/84 × 25 = 2250/2100 - Likewise, for the 2nd fraction, since 75 × 28 = 2100,
45/75 = 45 × 28/75 × 28 = 1260/2100 - Add the two like fractions:
2250/2100 + 1260/2100 = 2250 + 1260/2100 = 3510/2100 - 3510/2100 simplified gives 117/70
- So, 90/84 + 45/75 = 117/70
In mixed form: 147/70
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