Add 4/84 and 42/20
1st number: 4/84, 2nd number: 2 2/20
4/84 + 42/20 is 451/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 20 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
4/84 = 4 × 5/84 × 5 = 20/420 - Likewise, for the 2nd fraction, since 20 × 21 = 420,
42/20 = 42 × 21/20 × 21 = 882/420 - Add the two like fractions:
20/420 + 882/420 = 20 + 882/420 = 902/420 - 902/420 simplified gives 451/210
- So, 4/84 + 42/20 = 451/210
In mixed form: 231/210
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