Add 15/40 and 56/35
1st number: 15/40, 2nd number: 1 21/35
15/40 + 56/35 is 79/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 35 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
15/40 = 15 × 7/40 × 7 = 105/280 - Likewise, for the 2nd fraction, since 35 × 8 = 280,
56/35 = 56 × 8/35 × 8 = 448/280 - Add the two like fractions:
105/280 + 448/280 = 105 + 448/280 = 553/280 - 553/280 simplified gives 79/40
- So, 15/40 + 56/35 = 79/40
In mixed form: 139/40
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