Add 28/98 and 42/70
28/98 + 42/70 is 31/35.
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,
28/98 = 28 × 5/98 × 5 = 140/490 - Likewise, for the 2nd fraction, since 70 × 7 = 490,
42/70 = 42 × 7/70 × 7 = 294/490 - Add the two like fractions:
140/490 + 294/490 = 140 + 294/490 = 434/490 - 434/490 simplified gives 31/35
- So, 28/98 + 42/70 = 31/35
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