Add 42/98 and 15/80
42/98 + 15/80 is 69/112.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 80 is 3920
Next, find the equivalent fraction of both fractional numbers with denominator 3920 - For the 1st fraction, since 98 × 40 = 3920,
42/98 = 42 × 40/98 × 40 = 1680/3920 - Likewise, for the 2nd fraction, since 80 × 49 = 3920,
15/80 = 15 × 49/80 × 49 = 735/3920 - Add the two like fractions:
1680/3920 + 735/3920 = 1680 + 735/3920 = 2415/3920 - 2415/3920 simplified gives 69/112
- So, 42/98 + 15/80 = 69/112
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