Add 72/8 and 21/98
1st number: 9 0/8, 2nd number: 21/98
72/8 + 21/98 is 129/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 98 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 8 × 49 = 392,
72/8 = 72 × 49/8 × 49 = 3528/392 - Likewise, for the 2nd fraction, since 98 × 4 = 392,
21/98 = 21 × 4/98 × 4 = 84/392 - Add the two like fractions:
3528/392 + 84/392 = 3528 + 84/392 = 3612/392 - 3612/392 simplified gives 129/14
- So, 72/8 + 21/98 = 129/14
In mixed form: 93/14
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