Add 5/80 and 21/98
5/80 + 21/98 is 31/112.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 98 is 3920
Next, find the equivalent fraction of both fractional numbers with denominator 3920 - For the 1st fraction, since 80 × 49 = 3920,
5/80 = 5 × 49/80 × 49 = 245/3920 - Likewise, for the 2nd fraction, since 98 × 40 = 3920,
21/98 = 21 × 40/98 × 40 = 840/3920 - Add the two like fractions:
245/3920 + 840/3920 = 245 + 840/3920 = 1085/3920 - 1085/3920 simplified gives 31/112
- So, 5/80 + 21/98 = 31/112
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