Add 42/70 and 60/8
1st number: 42/70, 2nd number: 7 4/8
42/70 + 60/8 is 81/10.
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,
42/70 = 42 × 4/70 × 4 = 168/280 - Likewise, for the 2nd fraction, since 8 × 35 = 280,
60/8 = 60 × 35/8 × 35 = 2100/280 - Add the two like fractions:
168/280 + 2100/280 = 168 + 2100/280 = 2268/280 - 2268/280 simplified gives 81/10
- So, 42/70 + 60/8 = 81/10
In mixed form: 81/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/70+60/8 42/70+60/16 42/70+60/24 42/70+60/40 42/70+60/56