Add 40/10 and 21/49
1st number: 4 0/10, 2nd number: 21/49
40/10 + 21/49 is 31/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 49 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 10 × 49 = 490,
40/10 = 40 × 49/10 × 49 = 1960/490 - Likewise, for the 2nd fraction, since 49 × 10 = 490,
21/49 = 21 × 10/49 × 10 = 210/490 - Add the two like fractions:
1960/490 + 210/490 = 1960 + 210/490 = 2170/490 - 2170/490 simplified gives 31/7
- So, 40/10 + 21/49 = 31/7
In mixed form: 43/7
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