Add 30/80 and 70/49
1st number: 30/80, 2nd number: 1 21/49
30/80 + 70/49 is 101/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 49 is 3920
Next, find the equivalent fraction of both fractional numbers with denominator 3920 - For the 1st fraction, since 80 × 49 = 3920,
30/80 = 30 × 49/80 × 49 = 1470/3920 - Likewise, for the 2nd fraction, since 49 × 80 = 3920,
70/49 = 70 × 80/49 × 80 = 5600/3920 - Add the two like fractions:
1470/3920 + 5600/3920 = 1470 + 5600/3920 = 7070/3920 - 7070/3920 simplified gives 101/56
- So, 30/80 + 70/49 = 101/56
In mixed form: 145/56
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