Add 84/49 and 90/70
1st number: 1 35/49, 2nd number: 1 20/70
84/49 + 90/70 is 3/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 70 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 49 × 10 = 490,
84/49 = 84 × 10/49 × 10 = 840/490 - Likewise, for the 2nd fraction, since 70 × 7 = 490,
90/70 = 90 × 7/70 × 7 = 630/490 - Add the two like fractions:
840/490 + 630/490 = 840 + 630/490 = 1470/490 - 1470/490 simplified gives 3/1
- So, 84/49 + 90/70 = 3/1
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