Add 48/40 and 20/72
1st number: 1 8/40, 2nd number: 20/72
48/40 + 20/72 is 133/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
48/40 = 48 × 9/40 × 9 = 432/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
20/72 = 20 × 5/72 × 5 = 100/360 - Add the two like fractions:
432/360 + 100/360 = 432 + 100/360 = 532/360 - 532/360 simplified gives 133/90
- So, 48/40 + 20/72 = 133/90
In mixed form: 143/90
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