Add 70/15 and 25/42
1st number: 4 10/15, 2nd number: 25/42
70/15 + 25/42 is 221/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
70/15 = 70 × 14/15 × 14 = 980/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
25/42 = 25 × 5/42 × 5 = 125/210 - Add the two like fractions:
980/210 + 125/210 = 980 + 125/210 = 1105/210 - 1105/210 simplified gives 221/42
- So, 70/15 + 25/42 = 221/42
In mixed form: 511/42
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