Add 70/15 and 42/98
1st number: 4 10/15, 2nd number: 42/98
70/15 + 42/98 is 107/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 98 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 15 × 98 = 1470,
70/15 = 70 × 98/15 × 98 = 6860/1470 - Likewise, for the 2nd fraction, since 98 × 15 = 1470,
42/98 = 42 × 15/98 × 15 = 630/1470 - Add the two like fractions:
6860/1470 + 630/1470 = 6860 + 630/1470 = 7490/1470 - 7490/1470 simplified gives 107/21
- So, 70/15 + 42/98 = 107/21
In mixed form: 52/21
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