Add 28/49 and 40/20
1st number: 28/49, 2nd number: 2 0/20
28/49 + 40/20 is 18/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 20 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 49 × 20 = 980,
28/49 = 28 × 20/49 × 20 = 560/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
40/20 = 40 × 49/20 × 49 = 1960/980 - Add the two like fractions:
560/980 + 1960/980 = 560 + 1960/980 = 2520/980 - 2520/980 simplified gives 18/7
- So, 28/49 + 40/20 = 18/7
In mixed form: 24/7
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