Add 4/40 and 6/42
4/40 + 6/42 is 17/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 42 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 40 × 21 = 840,
4/40 = 4 × 21/40 × 21 = 84/840 - Likewise, for the 2nd fraction, since 42 × 20 = 840,
6/42 = 6 × 20/42 × 20 = 120/840 - Add the two like fractions:
84/840 + 120/840 = 84 + 120/840 = 204/840 - 204/840 simplified gives 17/70
- So, 4/40 + 6/42 = 17/70
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