Add 70/40 and 9/90
1st number: 1 30/40, 2nd number: 9/90
70/40 + 9/90 is 37/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
70/40 = 70 × 9/40 × 9 = 630/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
9/90 = 9 × 4/90 × 4 = 36/360 - Add the two like fractions:
630/360 + 36/360 = 630 + 36/360 = 666/360 - 666/360 simplified gives 37/20
- So, 70/40 + 9/90 = 37/20
In mixed form: 117/20
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