Add 90/49 and 81/70
1st number: 1 41/49, 2nd number: 1 11/70
90/49 + 81/70 is 1467/490.
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,
90/49 = 90 × 10/49 × 10 = 900/490 - Likewise, for the 2nd fraction, since 70 × 7 = 490,
81/70 = 81 × 7/70 × 7 = 567/490 - Add the two like fractions:
900/490 + 567/490 = 900 + 567/490 = 1467/490 - So, 90/49 + 81/70 = 1467/490
In mixed form: 2487/490
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