Add 7/10 and 45/56
7/10 + 45/56 is 421/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 10 × 28 = 280,
7/10 = 7 × 28/10 × 28 = 196/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
45/56 = 45 × 5/56 × 5 = 225/280 - Add the two like fractions:
196/280 + 225/280 = 196 + 225/280 = 421/280 - So, 7/10 + 45/56 = 421/280
In mixed form: 1141/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/10+45/56 7/10+90/56 7/20+45/56 21/10+45/56 7/30+45/56 35/10+45/56 7/50+45/56 49/10+45/56 7/70+45/56