Add 98/40 and 81/30
1st number: 2 18/40, 2nd number: 2 21/30
98/40 + 81/30 is 103/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
98/40 = 98 × 3/40 × 3 = 294/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
81/30 = 81 × 4/30 × 4 = 324/120 - Add the two like fractions:
294/120 + 324/120 = 294 + 324/120 = 618/120 - 618/120 simplified gives 103/20
- So, 98/40 + 81/30 = 103/20
In mixed form: 53/20
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