Add 75/42 and 45/70
1st number: 1 33/42, 2nd number: 45/70
75/42 + 45/70 is 17/7.
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,
75/42 = 75 × 5/42 × 5 = 375/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
45/70 = 45 × 3/70 × 3 = 135/210 - Add the two like fractions:
375/210 + 135/210 = 375 + 135/210 = 510/210 - 510/210 simplified gives 17/7
- So, 75/42 + 45/70 = 17/7
In mixed form: 23/7
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