Add 80/25 and 42/45
1st number: 3 5/25, 2nd number: 42/45
80/25 + 42/45 is 62/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 45 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 25 × 9 = 225,
80/25 = 80 × 9/25 × 9 = 720/225 - Likewise, for the 2nd fraction, since 45 × 5 = 225,
42/45 = 42 × 5/45 × 5 = 210/225 - Add the two like fractions:
720/225 + 210/225 = 720 + 210/225 = 930/225 - 930/225 simplified gives 62/15
- So, 80/25 + 42/45 = 62/15
In mixed form: 42/15
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