Add 64/15 and 70/42
1st number: 4 4/15, 2nd number: 1 28/42
64/15 + 70/42 is 89/15.
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,
64/15 = 64 × 14/15 × 14 = 896/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
70/42 = 70 × 5/42 × 5 = 350/210 - Add the two like fractions:
896/210 + 350/210 = 896 + 350/210 = 1246/210 - 1246/210 simplified gives 89/15
- So, 64/15 + 70/42 = 89/15
In mixed form: 514/15
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