Add 20/45 and 12/10
1st number: 20/45, 2nd number: 1 2/10
20/45 + 12/10 is 74/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
20/45 = 20 × 2/45 × 2 = 40/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
12/10 = 12 × 9/10 × 9 = 108/90 - Add the two like fractions:
40/90 + 108/90 = 40 + 108/90 = 148/90 - 148/90 simplified gives 74/45
- So, 20/45 + 12/10 = 74/45
In mixed form: 129/45
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