Add 72/30 and 21/98
1st number: 2 12/30, 2nd number: 21/98
72/30 + 21/98 is 183/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 98 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 30 × 49 = 1470,
72/30 = 72 × 49/30 × 49 = 3528/1470 - Likewise, for the 2nd fraction, since 98 × 15 = 1470,
21/98 = 21 × 15/98 × 15 = 315/1470 - Add the two like fractions:
3528/1470 + 315/1470 = 3528 + 315/1470 = 3843/1470 - 3843/1470 simplified gives 183/70
- So, 72/30 + 21/98 = 183/70
In mixed form: 243/70
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