Add 9/42 and 64/70
9/42 + 64/70 is 79/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
9/42 = 9 × 5/42 × 5 = 45/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
64/70 = 64 × 3/70 × 3 = 192/210 - Add the two like fractions:
45/210 + 192/210 = 45 + 192/210 = 237/210 - 237/210 simplified gives 79/70
- So, 9/42 + 64/70 = 79/70
In mixed form: 19/70
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