Add 90/6 and 49/40
1st number: 15 0/6, 2nd number: 1 9/40
90/6 + 49/40 is 649/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 6 × 20 = 120,
90/6 = 90 × 20/6 × 20 = 1800/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
49/40 = 49 × 3/40 × 3 = 147/120 - Add the two like fractions:
1800/120 + 147/120 = 1800 + 147/120 = 1947/120 - 1947/120 simplified gives 649/40
- So, 90/6 + 49/40 = 649/40
In mixed form: 169/40
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