Add 70/90 and 81/49
1st number: 70/90, 2nd number: 1 32/49
70/90 + 81/49 is 1072/441.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 49 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 90 × 49 = 4410,
70/90 = 70 × 49/90 × 49 = 3430/4410 - Likewise, for the 2nd fraction, since 49 × 90 = 4410,
81/49 = 81 × 90/49 × 90 = 7290/4410 - Add the two like fractions:
3430/4410 + 7290/4410 = 3430 + 7290/4410 = 10720/4410 - 10720/4410 simplified gives 1072/441
- So, 70/90 + 81/49 = 1072/441
In mixed form: 2190/441
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