Add 21/49 and 40/8
1st number: 21/49, 2nd number: 5 0/8
21/49 + 40/8 is 38/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 8 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 49 × 8 = 392,
21/49 = 21 × 8/49 × 8 = 168/392 - Likewise, for the 2nd fraction, since 8 × 49 = 392,
40/8 = 40 × 49/8 × 49 = 1960/392 - Add the two like fractions:
168/392 + 1960/392 = 168 + 1960/392 = 2128/392 - 2128/392 simplified gives 38/7
- So, 21/49 + 40/8 = 38/7
In mixed form: 53/7
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