Add 40/45 and 42/6
1st number: 40/45, 2nd number: 7 0/6
40/45 + 42/6 is 71/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 6 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
40/45 = 40 × 2/45 × 2 = 80/90 - Likewise, for the 2nd fraction, since 6 × 15 = 90,
42/6 = 42 × 15/6 × 15 = 630/90 - Add the two like fractions:
80/90 + 630/90 = 80 + 630/90 = 710/90 - 710/90 simplified gives 71/9
- So, 40/45 + 42/6 = 71/9
In mixed form: 78/9
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