Add 21/80 and 28/49
21/80 + 28/49 is 467/560.
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,
21/80 = 21 × 49/80 × 49 = 1029/3920 - Likewise, for the 2nd fraction, since 49 × 80 = 3920,
28/49 = 28 × 80/49 × 80 = 2240/3920 - Add the two like fractions:
1029/3920 + 2240/3920 = 1029 + 2240/3920 = 3269/3920 - 3269/3920 simplified gives 467/560
- So, 21/80 + 28/49 = 467/560
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