Add 72/8 and 20/84
1st number: 9 0/8, 2nd number: 20/84
72/8 + 20/84 is 194/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 84 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 8 × 21 = 168,
72/8 = 72 × 21/8 × 21 = 1512/168 - Likewise, for the 2nd fraction, since 84 × 2 = 168,
20/84 = 20 × 2/84 × 2 = 40/168 - Add the two like fractions:
1512/168 + 40/168 = 1512 + 40/168 = 1552/168 - 1552/168 simplified gives 194/21
- So, 72/8 + 20/84 = 194/21
In mixed form: 95/21
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