Add 70/98 and 40/15
1st number: 70/98, 2nd number: 2 10/15
70/98 + 40/15 is 71/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 15 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 98 × 15 = 1470,
70/98 = 70 × 15/98 × 15 = 1050/1470 - Likewise, for the 2nd fraction, since 15 × 98 = 1470,
40/15 = 40 × 98/15 × 98 = 3920/1470 - Add the two like fractions:
1050/1470 + 3920/1470 = 1050 + 3920/1470 = 4970/1470 - 4970/1470 simplified gives 71/21
- So, 70/98 + 40/15 = 71/21
In mixed form: 38/21
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