Add 40/70 and 15/98
40/70 + 15/98 is 71/98.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 98 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 70 × 7 = 490,
40/70 = 40 × 7/70 × 7 = 280/490 - Likewise, for the 2nd fraction, since 98 × 5 = 490,
15/98 = 15 × 5/98 × 5 = 75/490 - Add the two like fractions:
280/490 + 75/490 = 280 + 75/490 = 355/490 - 355/490 simplified gives 71/98
- So, 40/70 + 15/98 = 71/98
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