Add 72/90 and 14/8
1st number: 72/90, 2nd number: 1 6/8
72/90 + 14/8 is 51/20.
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,
14/8 = 14 × 45/8 × 45 = 630/360 - Add the two like fractions:
288/360 + 630/360 = 288 + 630/360 = 918/360 - 918/360 simplified gives 51/20
- So, 72/90 + 14/8 = 51/20
In mixed form: 211/20
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