Add 7/70 and 75/40
1st number: 7/70, 2nd number: 1 35/40
7/70 + 75/40 is 79/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 40 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 40 × 7 = 280,
75/40 = 75 × 7/40 × 7 = 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 + 75/40 = 79/40
In mixed form: 139/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/70+75/40 7/70+75/80 21/70+75/40 35/70+75/40 49/70+75/40