Add 40/10 and 4/42
1st number: 4 0/10, 2nd number: 4/42
40/10 + 4/42 is 86/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 10 × 21 = 210,
40/10 = 40 × 21/10 × 21 = 840/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
4/42 = 4 × 5/42 × 5 = 20/210 - Add the two like fractions:
840/210 + 20/210 = 840 + 20/210 = 860/210 - 860/210 simplified gives 86/21
- So, 40/10 + 4/42 = 86/21
In mixed form: 42/21
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