Add 70/25 and 70/42
1st number: 2 20/25, 2nd number: 1 28/42
70/25 + 70/42 is 67/15.
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,
70/25 = 70 × 42/25 × 42 = 2940/1050 - Likewise, for the 2nd fraction, since 42 × 25 = 1050,
70/42 = 70 × 25/42 × 25 = 1750/1050 - Add the two like fractions:
2940/1050 + 1750/1050 = 2940 + 1750/1050 = 4690/1050 - 4690/1050 simplified gives 67/15
- So, 70/25 + 70/42 = 67/15
In mixed form: 47/15
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