Add 45/6 and 40/21
1st number: 7 3/6, 2nd number: 1 19/21
456 + 4021 is 39542.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
456 = 45 × 76 × 7 = 31542 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
4021 = 40 × 221 × 2 = 8042 - Add the two like fractions:
31542 + 8042 = 315 + 8042 = 39542 - So, 45/6 + 40/21 = 395/42
In mixed form: 91742
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