Add 20/90 and 56/45
1st number: 20/90, 2nd number: 1 11/45
20/90 + 56/45 is 22/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
20/90 = 20 × 1/90 × 1 = 20/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
56/45 = 56 × 2/45 × 2 = 112/90 - Add the two like fractions:
20/90 + 112/90 = 20 + 112/90 = 132/90 - 132/90 simplified gives 22/15
- So, 20/90 + 56/45 = 22/15
In mixed form: 17/15
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