Add 15/25 and 80/42
1st number: 15/25, 2nd number: 1 38/42
15/25 + 80/42 is 263/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 42 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 25 × 42 = 1050,
15/25 = 15 × 42/25 × 42 = 630/1050 - Likewise, for the 2nd fraction, since 42 × 25 = 1050,
80/42 = 80 × 25/42 × 25 = 2000/1050 - Add the two like fractions:
630/1050 + 2000/1050 = 630 + 2000/1050 = 2630/1050 - 2630/1050 simplified gives 263/105
- So, 15/25 + 80/42 = 263/105
In mixed form: 253/105
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