Add 18/40 and 98/28
1st number: 18/40, 2nd number: 3 14/28
18/40 + 98/28 is 79/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 28 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
18/40 = 18 × 7/40 × 7 = 126/280 - Likewise, for the 2nd fraction, since 28 × 10 = 280,
98/28 = 98 × 10/28 × 10 = 980/280 - Add the two like fractions:
126/280 + 980/280 = 126 + 980/280 = 1106/280 - 1106/280 simplified gives 79/20
- So, 18/40 + 98/28 = 79/20
In mixed form: 319/20
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