Add 18/24 and 45/70
18/24 + 45/70 is 39/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 70 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 24 × 35 = 840,
18/24 = 18 × 35/24 × 35 = 630/840 - Likewise, for the 2nd fraction, since 70 × 12 = 840,
45/70 = 45 × 12/70 × 12 = 540/840 - Add the two like fractions:
630/840 + 540/840 = 630 + 540/840 = 1170/840 - 1170/840 simplified gives 39/28
- So, 18/24 + 45/70 = 39/28
In mixed form: 111/28
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