Add 72/90 and 90/8
1st number: 72/90, 2nd number: 11 2/8
72/90 + 90/8 is 241/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 8 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
72/90 = 72 × 4/90 × 4 = 288/360 - Likewise, for the 2nd fraction, since 8 × 45 = 360,
90/8 = 90 × 45/8 × 45 = 4050/360 - Add the two like fractions:
288/360 + 4050/360 = 288 + 4050/360 = 4338/360 - 4338/360 simplified gives 241/20
- So, 72/90 + 90/8 = 241/20
In mixed form: 121/20
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