Add 72/98 and 28/70
72/98 + 28/70 is 278/245.
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,
72/98 = 72 × 5/98 × 5 = 360/490 - Likewise, for the 2nd fraction, since 70 × 7 = 490,
28/70 = 28 × 7/70 × 7 = 196/490 - Add the two like fractions:
360/490 + 196/490 = 360 + 196/490 = 556/490 - 556/490 simplified gives 278/245
- So, 72/98 + 28/70 = 278/245
In mixed form: 133/245
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