Add 15/80 and 30/98
15/80 + 30/98 is 387/784.
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,
15/80 = 15 × 49/80 × 49 = 735/3920 - Likewise, for the 2nd fraction, since 98 × 40 = 3920,
30/98 = 30 × 40/98 × 40 = 1200/3920 - Add the two like fractions:
735/3920 + 1200/3920 = 735 + 1200/3920 = 1935/3920 - 1935/3920 simplified gives 387/784
- So, 15/80 + 30/98 = 387/784
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