Add 40/42 and 24/70
40/42 + 24/70 is 136/105.
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,
40/42 = 40 × 5/42 × 5 = 200/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
24/70 = 24 × 3/70 × 3 = 72/210 - Add the two like fractions:
200/210 + 72/210 = 200 + 72/210 = 272/210 - 272/210 simplified gives 136/105
- So, 40/42 + 24/70 = 136/105
In mixed form: 131/105
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