Add 72/90 and 45/24
1st number: 72/90, 2nd number: 1 21/24
72/90 + 45/24 is 107/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 24 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 24 × 15 = 360,
45/24 = 45 × 15/24 × 15 = 675/360 - Add the two like fractions:
288/360 + 675/360 = 288 + 675/360 = 963/360 - 963/360 simplified gives 107/40
- So, 72/90 + 45/24 = 107/40
In mixed form: 227/40
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