Add 18/45 and 63/8
1st number: 18/45, 2nd number: 7 7/8
18/45 + 63/8 is 331/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 8 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
18/45 = 18 × 8/45 × 8 = 144/360 - Likewise, for the 2nd fraction, since 8 × 45 = 360,
63/8 = 63 × 45/8 × 45 = 2835/360 - Add the two like fractions:
144/360 + 2835/360 = 144 + 2835/360 = 2979/360 - 2979/360 simplified gives 331/40
- So, 18/45 + 63/8 = 331/40
In mixed form: 811/40
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