Add 98/40 and 9/15, Solve 2 18/40 + 9/15 as a fraction

Add 98/40 and 9/15

1^st number: 2 18/40, 2^nd number: 9/15

98/40 + 9/15 is 61/20.

Find the least common denominator or LCM of the two denominators:
LCM of 40 and 15 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 15 × 8 = 120,
9/15 = 9 × 8/15 × 8 = 72/120
Add the two like fractions:
294/120 + 72/120 = 294 + 72/120 = 366/120
366/120 simplified gives 61/20
So, 98/40 + 9/15 = 61/20
In mixed form: 31/20

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