Add 70/49 and 28/90
1st number: 1 21/49, 2nd number: 28/90
70/49 + 28/90 is 548/315.
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,
28/90 = 28 × 49/90 × 49 = 1372/4410 - Add the two like fractions:
6300/4410 + 1372/4410 = 6300 + 1372/4410 = 7672/4410 - 7672/4410 simplified gives 548/315
- So, 70/49 + 28/90 = 548/315
In mixed form: 1233/315
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