Add 20/90 and 80/75
1st number: 20/90, 2nd number: 1 5/75
20/90 + 80/75 is 58/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 75 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 90 × 5 = 450,
20/90 = 20 × 5/90 × 5 = 100/450 - Likewise, for the 2nd fraction, since 75 × 6 = 450,
80/75 = 80 × 6/75 × 6 = 480/450 - Add the two like fractions:
100/450 + 480/450 = 100 + 480/450 = 580/450 - 580/450 simplified gives 58/45
- So, 20/90 + 80/75 = 58/45
In mixed form: 113/45
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