Add 7/8 and 18/45
7/8 + 18/45 is 51/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 8 × 45 = 360,
7/8 = 7 × 45/8 × 45 = 315/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
18/45 = 18 × 8/45 × 8 = 144/360 - Add the two like fractions:
315/360 + 144/360 = 315 + 144/360 = 459/360 - 459/360 simplified gives 51/40
- So, 7/8 + 18/45 = 51/40
In mixed form: 111/40
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