Add 25/45 and 10/20
25/45 + 10/20 is 19/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
25/45 = 25 × 4/45 × 4 = 100/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
10/20 = 10 × 9/20 × 9 = 90/180 - Add the two like fractions:
100/180 + 90/180 = 100 + 90/180 = 190/180 - 190/180 simplified gives 19/18
- So, 25/45 + 10/20 = 19/18
In mixed form: 11/18
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