Add 42/98 and 4/70
42/98 + 4/70 is 17/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 70 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 98 × 5 = 490,
42/98 = 42 × 5/98 × 5 = 210/490 - Likewise, for the 2nd fraction, since 70 × 7 = 490,
4/70 = 4 × 7/70 × 7 = 28/490 - Add the two like fractions:
210/490 + 28/490 = 210 + 28/490 = 238/490 - 238/490 simplified gives 17/35
- So, 42/98 + 4/70 = 17/35
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