Add 42/70 and 3/98
42/70 + 3/98 is 309/490.
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,
42/70 = 42 × 7/70 × 7 = 294/490 - Likewise, for the 2nd fraction, since 98 × 5 = 490,
3/98 = 3 × 5/98 × 5 = 15/490 - Add the two like fractions:
294/490 + 15/490 = 294 + 15/490 = 309/490 - So, 42/70 + 3/98 = 309/490
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