Add 30/70 and 72/98
30/70 + 72/98 is 57/49.
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,
30/70 = 30 × 7/70 × 7 = 210/490 - Likewise, for the 2nd fraction, since 98 × 5 = 490,
72/98 = 72 × 5/98 × 5 = 360/490 - Add the two like fractions:
210/490 + 360/490 = 210 + 360/490 = 570/490 - 570/490 simplified gives 57/49
- So, 30/70 + 72/98 = 57/49
In mixed form: 18/49
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