Add 70/49 and 70/90
1st number: 1 21/49, 2nd number: 70/90
70/49 + 70/90 is 139/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 90 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 49 × 90 = 4410,
70/49 = 70 × 90/49 × 90 = 6300/4410 - Likewise, for the 2nd fraction, since 90 × 49 = 4410,
70/90 = 70 × 49/90 × 49 = 3430/4410 - Add the two like fractions:
6300/4410 + 3430/4410 = 6300 + 3430/4410 = 9730/4410 - 9730/4410 simplified gives 139/63
- So, 70/49 + 70/90 = 139/63
In mixed form: 213/63
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