Add 21/6 and 8/40
1st number: 3 3/6, 2nd number: 8/40
216 + 840 is 3710.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 6 × 20 = 120,
216 = 21 × 206 × 20 = 420120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
840 = 8 × 340 × 3 = 24120 - Add the two like fractions:
420120 + 24120 = 420 + 24120 = 444120 - 444/120 simplified gives 3710
- So, 21/6 + 8/40 = 37/10
In mixed form: 3710
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