Add 7/70 and 15/8
1st number: 7/70, 2nd number: 1 7/8
7/70 + 15/8 is 79/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 8 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
7/70 = 7 × 4/70 × 4 = 28/280 - Likewise, for the 2nd fraction, since 8 × 35 = 280,
15/8 = 15 × 35/8 × 35 = 525/280 - Add the two like fractions:
28/280 + 525/280 = 28 + 525/280 = 553/280 - 553/280 simplified gives 79/40
- So, 7/70 + 15/8 = 79/40
In mixed form: 139/40
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