Add 40/15 and 80/56
1st number: 2 10/15, 2nd number: 1 24/56
40/15 + 80/56 is 86/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 15 × 56 = 840,
40/15 = 40 × 56/15 × 56 = 2240/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
80/56 = 80 × 15/56 × 15 = 1200/840 - Add the two like fractions:
2240/840 + 1200/840 = 2240 + 1200/840 = 3440/840 - 3440/840 simplified gives 86/21
- So, 40/15 + 80/56 = 86/21
In mixed form: 42/21
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