Add 20/45 and 15/10
1st number: 20/45, 2nd number: 1 5/10
20/45 + 15/10 is 35/18.
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,
15/10 = 15 × 9/10 × 9 = 135/90 - Add the two like fractions:
40/90 + 135/90 = 40 + 135/90 = 175/90 - 175/90 simplified gives 35/18
- So, 20/45 + 15/10 = 35/18
In mixed form: 117/18
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