Add 7/20 and 18/25
7/20 + 18/25 is 107/100.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 25 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 20 × 5 = 100,
7/20 = 7 × 5/20 × 5 = 35/100 - Likewise, for the 2nd fraction, since 25 × 4 = 100,
18/25 = 18 × 4/25 × 4 = 72/100 - Add the two like fractions:
35/100 + 72/100 = 35 + 72/100 = 107/100 - So, 7/20 + 18/25 = 107/100
In mixed form: 17/100
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