Add 90/20 and 84/49
1st number: 4 10/20, 2nd number: 1 35/49
90/20 + 84/49 is 87/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 49 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 20 × 49 = 980,
90/20 = 90 × 49/20 × 49 = 4410/980 - Likewise, for the 2nd fraction, since 49 × 20 = 980,
84/49 = 84 × 20/49 × 20 = 1680/980 - Add the two like fractions:
4410/980 + 1680/980 = 4410 + 1680/980 = 6090/980 - 6090/980 simplified gives 87/14
- So, 90/20 + 84/49 = 87/14
In mixed form: 63/14
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